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/memsafety-ext/dll_extends_pointer_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ccafca9-m [2018-02-04 04:10:07,986 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 04:10:07,988 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 04:10:07,999 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 04:10:07,999 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 04:10:07,999 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 04:10:08,000 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 04:10:08,002 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 04:10:08,003 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 04:10:08,004 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 04:10:08,005 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 04:10:08,005 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 04:10:08,006 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 04:10:08,007 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 04:10:08,007 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 04:10:08,009 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 04:10:08,011 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 04:10:08,012 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 04:10:08,013 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 04:10:08,014 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 04:10:08,015 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-04 04:10:08,016 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-04 04:10:08,016 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-04 04:10:08,017 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-04 04:10:08,017 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-04 04:10:08,018 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-04 04:10:08,018 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-04 04:10:08,019 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-04 04:10:08,019 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-04 04:10:08,019 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-04 04:10:08,020 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-04 04:10:08,020 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 04:10:08,030 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 04:10:08,030 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 04:10:08,031 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 04:10:08,031 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 04:10:08,031 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 04:10:08,032 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 04:10:08,032 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 04:10:08,032 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 04:10:08,032 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 04:10:08,032 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 04:10:08,032 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 04:10:08,033 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 04:10:08,033 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 04:10:08,033 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-04 04:10:08,033 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 04:10:08,033 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 04:10:08,033 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 04:10:08,034 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 04:10:08,034 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 04:10:08,034 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 04:10:08,034 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 04:10:08,034 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 04:10:08,034 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-02-04 04:10:08,034 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-02-04 04:10:08,035 INFO L133 SettingsManager]: * Trace refinement strategy=SMTINTERPOL [2018-02-04 04:10:08,062 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 04:10:08,071 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 04:10:08,073 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 04:10:08,074 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 04:10:08,074 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 04:10:08,075 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety-ext/dll_extends_pointer_true-valid-memsafety.i [2018-02-04 04:10:08,190 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 04:10:08,191 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 04:10:08,191 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 04:10:08,192 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 04:10:08,197 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 04:10:08,198 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:10:08" (1/1) ... [2018-02-04 04:10:08,201 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b297c32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:10:08, skipping insertion in model container [2018-02-04 04:10:08,201 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:10:08" (1/1) ... [2018-02-04 04:10:08,215 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 04:10:08,241 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 04:10:08,322 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 04:10:08,338 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 04:10:08,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:10:08 WrapperNode [2018-02-04 04:10:08,344 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 04:10:08,345 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 04:10:08,345 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 04:10:08,345 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 04:10:08,358 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:10:08" (1/1) ... [2018-02-04 04:10:08,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:10:08" (1/1) ... [2018-02-04 04:10:08,367 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:10:08" (1/1) ... [2018-02-04 04:10:08,368 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:10:08" (1/1) ... [2018-02-04 04:10:08,371 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:10:08" (1/1) ... [2018-02-04 04:10:08,374 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:10:08" (1/1) ... [2018-02-04 04:10:08,375 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:10:08" (1/1) ... [2018-02-04 04:10:08,377 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 04:10:08,377 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 04:10:08,377 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 04:10:08,377 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 04:10:08,378 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:10:08" (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 04:10:08,424 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 04:10:08,424 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 04:10:08,425 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 04:10:08,425 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-04 04:10:08,425 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-04 04:10:08,425 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 04:10:08,425 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 04:10:08,425 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 04:10:08,426 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-04 04:10:08,426 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-04 04:10:08,426 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-04 04:10:08,426 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 04:10:08,426 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 04:10:08,426 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 04:10:08,639 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 04:10:08,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:10:08 BoogieIcfgContainer [2018-02-04 04:10:08,640 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 04:10:08,640 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 04:10:08,641 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 04:10:08,644 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 04:10:08,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 04:10:08" (1/3) ... [2018-02-04 04:10:08,645 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@173011f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:10:08, skipping insertion in model container [2018-02-04 04:10:08,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:10:08" (2/3) ... [2018-02-04 04:10:08,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@173011f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:10:08, skipping insertion in model container [2018-02-04 04:10:08,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:10:08" (3/3) ... [2018-02-04 04:10:08,648 INFO L107 eAbstractionObserver]: Analyzing ICFG dll_extends_pointer_true-valid-memsafety.i [2018-02-04 04:10:08,656 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-02-04 04:10:08,661 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 25 error locations. [2018-02-04 04:10:08,691 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 04:10:08,691 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 04:10:08,691 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-02-04 04:10:08,691 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-02-04 04:10:08,692 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 04:10:08,692 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 04:10:08,692 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 04:10:08,692 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 04:10:08,693 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 04:10:08,705 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states. [2018-02-04 04:10:08,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-02-04 04:10:08,714 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:10:08,715 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:10:08,715 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr24EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 04:10:08,719 INFO L82 PathProgramCache]: Analyzing trace with hash -1414487999, now seen corresponding path program 1 times [2018-02-04 04:10:08,721 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 04:10:08,721 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 04:10:08,766 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 04:10:08,767 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 04:10:08,767 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 04:10:08,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:10:08,809 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 04:10:08,871 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 04:10:08,872 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:10:08,873 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 04:10:08,874 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 04:10:08,883 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 04:10:08,883 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 04:10:08,885 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 4 states. [2018-02-04 04:10:09,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:10:09,112 INFO L93 Difference]: Finished difference Result 82 states and 87 transitions. [2018-02-04 04:10:09,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 04:10:09,114 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2018-02-04 04:10:09,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:10:09,121 INFO L225 Difference]: With dead ends: 82 [2018-02-04 04:10:09,122 INFO L226 Difference]: Without dead ends: 78 [2018-02-04 04:10:09,123 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 04:10:09,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-02-04 04:10:09,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 57. [2018-02-04 04:10:09,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-02-04 04:10:09,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 61 transitions. [2018-02-04 04:10:09,148 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 61 transitions. Word has length 9 [2018-02-04 04:10:09,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:10:09,148 INFO L432 AbstractCegarLoop]: Abstraction has 57 states and 61 transitions. [2018-02-04 04:10:09,148 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 04:10:09,148 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 61 transitions. [2018-02-04 04:10:09,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-02-04 04:10:09,149 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:10:09,149 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:10:09,149 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr24EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 04:10:09,149 INFO L82 PathProgramCache]: Analyzing trace with hash -1414487998, now seen corresponding path program 1 times [2018-02-04 04:10:09,149 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 04:10:09,149 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 04:10:09,150 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 04:10:09,150 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 04:10:09,150 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 04:10:09,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:10:09,163 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 04:10:09,233 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 04:10:09,234 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:10:09,234 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 04:10:09,235 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 04:10:09,235 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 04:10:09,235 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 04:10:09,236 INFO L87 Difference]: Start difference. First operand 57 states and 61 transitions. Second operand 4 states. [2018-02-04 04:10:09,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:10:09,357 INFO L93 Difference]: Finished difference Result 104 states and 113 transitions. [2018-02-04 04:10:09,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-04 04:10:09,357 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2018-02-04 04:10:09,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:10:09,359 INFO L225 Difference]: With dead ends: 104 [2018-02-04 04:10:09,359 INFO L226 Difference]: Without dead ends: 104 [2018-02-04 04:10:09,359 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 04:10:09,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-02-04 04:10:09,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 54. [2018-02-04 04:10:09,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-02-04 04:10:09,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 58 transitions. [2018-02-04 04:10:09,364 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 58 transitions. Word has length 9 [2018-02-04 04:10:09,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:10:09,365 INFO L432 AbstractCegarLoop]: Abstraction has 54 states and 58 transitions. [2018-02-04 04:10:09,365 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 04:10:09,365 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 58 transitions. [2018-02-04 04:10:09,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-02-04 04:10:09,365 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:10:09,365 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 04:10:09,365 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr24EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 04:10:09,366 INFO L82 PathProgramCache]: Analyzing trace with hash 689004913, now seen corresponding path program 1 times [2018-02-04 04:10:09,366 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 04:10:09,366 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 04:10:09,366 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 04:10:09,367 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 04:10:09,367 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 04:10:09,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:10:09,380 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 04:10:09,411 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 04:10:09,411 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:10:09,412 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 04:10:09,412 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 04:10:09,412 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 04:10:09,412 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 04:10:09,412 INFO L87 Difference]: Start difference. First operand 54 states and 58 transitions. Second operand 4 states. [2018-02-04 04:10:09,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:10:09,488 INFO L93 Difference]: Finished difference Result 64 states and 67 transitions. [2018-02-04 04:10:09,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 04:10:09,488 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2018-02-04 04:10:09,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:10:09,489 INFO L225 Difference]: With dead ends: 64 [2018-02-04 04:10:09,489 INFO L226 Difference]: Without dead ends: 64 [2018-02-04 04:10:09,490 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 1 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 04:10:09,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-02-04 04:10:09,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 58. [2018-02-04 04:10:09,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-02-04 04:10:09,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 65 transitions. [2018-02-04 04:10:09,494 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 65 transitions. Word has length 18 [2018-02-04 04:10:09,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:10:09,494 INFO L432 AbstractCegarLoop]: Abstraction has 58 states and 65 transitions. [2018-02-04 04:10:09,494 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 04:10:09,494 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 65 transitions. [2018-02-04 04:10:09,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-02-04 04:10:09,495 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:10:09,495 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 04:10:09,495 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr24EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 04:10:09,495 INFO L82 PathProgramCache]: Analyzing trace with hash 689004914, now seen corresponding path program 1 times [2018-02-04 04:10:09,495 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 04:10:09,495 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 04:10:09,496 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 04:10:09,496 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 04:10:09,496 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 04:10:09,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:10:09,508 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 04:10:09,566 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 04:10:09,566 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:10:09,567 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 04:10:09,567 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 04:10:09,567 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 04:10:09,567 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 04:10:09,567 INFO L87 Difference]: Start difference. First operand 58 states and 65 transitions. Second operand 5 states. [2018-02-04 04:10:09,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:10:09,673 INFO L93 Difference]: Finished difference Result 139 states and 156 transitions. [2018-02-04 04:10:09,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 04:10:09,674 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-02-04 04:10:09,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:10:09,674 INFO L225 Difference]: With dead ends: 139 [2018-02-04 04:10:09,674 INFO L226 Difference]: Without dead ends: 139 [2018-02-04 04:10:09,675 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 1 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 04:10:09,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-02-04 04:10:09,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 76. [2018-02-04 04:10:09,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-02-04 04:10:09,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 91 transitions. [2018-02-04 04:10:09,678 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 91 transitions. Word has length 18 [2018-02-04 04:10:09,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:10:09,678 INFO L432 AbstractCegarLoop]: Abstraction has 76 states and 91 transitions. [2018-02-04 04:10:09,678 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 04:10:09,679 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 91 transitions. [2018-02-04 04:10:09,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-02-04 04:10:09,679 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:10:09,679 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 04:10:09,679 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr24EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 04:10:09,679 INFO L82 PathProgramCache]: Analyzing trace with hash 689036531, now seen corresponding path program 1 times [2018-02-04 04:10:09,679 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 04:10:09,679 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 04:10:09,680 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 04:10:09,680 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 04:10:09,680 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 04:10:09,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:10:09,687 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 04:10:09,706 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 04:10:09,706 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:10:09,706 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 04:10:09,706 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 04:10:09,706 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 04:10:09,707 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 04:10:09,707 INFO L87 Difference]: Start difference. First operand 76 states and 91 transitions. Second operand 4 states. [2018-02-04 04:10:09,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:10:09,779 INFO L93 Difference]: Finished difference Result 92 states and 102 transitions. [2018-02-04 04:10:09,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 04:10:09,779 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2018-02-04 04:10:09,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:10:09,781 INFO L225 Difference]: With dead ends: 92 [2018-02-04 04:10:09,781 INFO L226 Difference]: Without dead ends: 92 [2018-02-04 04:10:09,781 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 04:10:09,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-02-04 04:10:09,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 75. [2018-02-04 04:10:09,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-02-04 04:10:09,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 89 transitions. [2018-02-04 04:10:09,785 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 89 transitions. Word has length 18 [2018-02-04 04:10:09,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:10:09,786 INFO L432 AbstractCegarLoop]: Abstraction has 75 states and 89 transitions. [2018-02-04 04:10:09,786 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 04:10:09,786 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 89 transitions. [2018-02-04 04:10:09,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-02-04 04:10:09,786 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:10:09,786 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 04:10:09,786 INFO L371 AbstractCegarLoop]: === Iteration 6 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr24EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 04:10:09,786 INFO L82 PathProgramCache]: Analyzing trace with hash 689036532, now seen corresponding path program 1 times [2018-02-04 04:10:09,787 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 04:10:09,787 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 04:10:09,787 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 04:10:09,787 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 04:10:09,787 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 04:10:09,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:10:09,797 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 04:10:09,836 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 04:10:09,837 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:10:09,837 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 04:10:09,837 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 04:10:09,837 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 04:10:09,837 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 04:10:09,838 INFO L87 Difference]: Start difference. First operand 75 states and 89 transitions. Second operand 4 states. [2018-02-04 04:10:09,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:10:09,897 INFO L93 Difference]: Finished difference Result 110 states and 128 transitions. [2018-02-04 04:10:09,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-04 04:10:09,898 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2018-02-04 04:10:09,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:10:09,898 INFO L225 Difference]: With dead ends: 110 [2018-02-04 04:10:09,898 INFO L226 Difference]: Without dead ends: 110 [2018-02-04 04:10:09,899 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 04:10:09,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-02-04 04:10:09,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 73. [2018-02-04 04:10:09,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-02-04 04:10:09,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 86 transitions. [2018-02-04 04:10:09,901 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 86 transitions. Word has length 18 [2018-02-04 04:10:09,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:10:09,902 INFO L432 AbstractCegarLoop]: Abstraction has 73 states and 86 transitions. [2018-02-04 04:10:09,902 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 04:10:09,902 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 86 transitions. [2018-02-04 04:10:09,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-02-04 04:10:09,902 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:10:09,902 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:10:09,902 INFO L371 AbstractCegarLoop]: === Iteration 7 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr24EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 04:10:09,902 INFO L82 PathProgramCache]: Analyzing trace with hash -115685232, now seen corresponding path program 1 times [2018-02-04 04:10:09,902 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 04:10:09,902 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 04:10:09,903 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 04:10:09,903 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 04:10:09,903 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 04:10:09,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:10:09,908 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 04:10:09,940 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 04:10:09,941 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:10:09,941 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 04:10:09,941 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 04:10:09,941 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 04:10:09,942 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 04:10:09,942 INFO L87 Difference]: Start difference. First operand 73 states and 86 transitions. Second operand 5 states. [2018-02-04 04:10:09,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:10:09,995 INFO L93 Difference]: Finished difference Result 87 states and 98 transitions. [2018-02-04 04:10:09,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 04:10:09,995 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2018-02-04 04:10:09,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:10:09,996 INFO L225 Difference]: With dead ends: 87 [2018-02-04 04:10:09,996 INFO L226 Difference]: Without dead ends: 87 [2018-02-04 04:10:09,996 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 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 04:10:09,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-02-04 04:10:09,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 73. [2018-02-04 04:10:09,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-02-04 04:10:09,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 85 transitions. [2018-02-04 04:10:09,999 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 85 transitions. Word has length 19 [2018-02-04 04:10:09,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:10:09,999 INFO L432 AbstractCegarLoop]: Abstraction has 73 states and 85 transitions. [2018-02-04 04:10:09,999 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 04:10:09,999 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 85 transitions. [2018-02-04 04:10:09,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-02-04 04:10:10,000 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:10:10,000 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:10:10,000 INFO L371 AbstractCegarLoop]: === Iteration 8 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr24EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 04:10:10,000 INFO L82 PathProgramCache]: Analyzing trace with hash 580005852, now seen corresponding path program 1 times [2018-02-04 04:10:10,000 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 04:10:10,000 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 04:10:10,001 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 04:10:10,001 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 04:10:10,001 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 04:10:10,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:10:10,015 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 04:10:10,124 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 04:10:10,124 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:10:10,124 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-02-04 04:10:10,125 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-04 04:10:10,125 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-04 04:10:10,125 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-02-04 04:10:10,125 INFO L87 Difference]: Start difference. First operand 73 states and 85 transitions. Second operand 7 states. [2018-02-04 04:10:10,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:10:10,263 INFO L93 Difference]: Finished difference Result 77 states and 84 transitions. [2018-02-04 04:10:10,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-02-04 04:10:10,263 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2018-02-04 04:10:10,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:10:10,264 INFO L225 Difference]: With dead ends: 77 [2018-02-04 04:10:10,264 INFO L226 Difference]: Without dead ends: 77 [2018-02-04 04:10:10,264 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2018-02-04 04:10:10,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-02-04 04:10:10,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 69. [2018-02-04 04:10:10,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-02-04 04:10:10,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 77 transitions. [2018-02-04 04:10:10,268 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 77 transitions. Word has length 23 [2018-02-04 04:10:10,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:10:10,268 INFO L432 AbstractCegarLoop]: Abstraction has 69 states and 77 transitions. [2018-02-04 04:10:10,269 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-04 04:10:10,269 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 77 transitions. [2018-02-04 04:10:10,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-02-04 04:10:10,269 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:10:10,269 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:10:10,270 INFO L371 AbstractCegarLoop]: === Iteration 9 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr24EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 04:10:10,270 INFO L82 PathProgramCache]: Analyzing trace with hash -493029770, now seen corresponding path program 1 times [2018-02-04 04:10:10,270 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 04:10:10,270 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 04:10:10,271 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 04:10:10,271 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 04:10:10,271 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 04:10:10,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:10:10,283 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 04:10:10,289 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 04:10:10,293 INFO L168 Benchmark]: Toolchain (without parser) took 2102.75 ms. Allocated memory was 401.1 MB in the beginning and 628.6 MB in the end (delta: 227.5 MB). Free memory was 357.8 MB in the beginning and 561.4 MB in the end (delta: -203.6 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. [2018-02-04 04:10:10,294 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 401.1 MB. Free memory is still 364.4 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 04:10:10,295 INFO L168 Benchmark]: CACSL2BoogieTranslator took 153.16 ms. Allocated memory is still 401.1 MB. Free memory was 357.8 MB in the beginning and 347.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 5.3 GB. [2018-02-04 04:10:10,295 INFO L168 Benchmark]: Boogie Preprocessor took 31.86 ms. Allocated memory is still 401.1 MB. Free memory was 347.1 MB in the beginning and 345.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. [2018-02-04 04:10:10,295 INFO L168 Benchmark]: RCFGBuilder took 262.85 ms. Allocated memory is still 401.1 MB. Free memory was 345.8 MB in the beginning and 323.3 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 5.3 GB. [2018-02-04 04:10:10,295 INFO L168 Benchmark]: TraceAbstraction took 1651.98 ms. Allocated memory was 401.1 MB in the beginning and 628.6 MB in the end (delta: 227.5 MB). Free memory was 322.0 MB in the beginning and 561.4 MB in the end (delta: -239.4 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 04:10:10,297 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 401.1 MB. Free memory is still 364.4 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 153.16 ms. Allocated memory is still 401.1 MB. Free memory was 357.8 MB in the beginning and 347.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 31.86 ms. Allocated memory is still 401.1 MB. Free memory was 347.1 MB in the beginning and 345.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 262.85 ms. Allocated memory is still 401.1 MB. Free memory was 345.8 MB in the beginning and 323.3 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1651.98 ms. Allocated memory was 401.1 MB in the beginning and 628.6 MB in the end (delta: 227.5 MB). Free memory was 322.0 MB in the beginning and 561.4 MB in the end (delta: -239.4 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_extends_pointer_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_04-10-10-303.csv Received shutdown request...