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/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/memsafety/test-0158_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-5f7ec6e [2018-01-31 09:12:20,113 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-31 09:12:20,115 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-31 09:12:20,137 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-31 09:12:20,137 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-31 09:12:20,138 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-31 09:12:20,140 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-31 09:12:20,142 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-31 09:12:20,144 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-31 09:12:20,145 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-31 09:12:20,146 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-31 09:12:20,146 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-31 09:12:20,147 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-31 09:12:20,149 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-31 09:12:20,150 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-31 09:12:20,152 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-31 09:12:20,155 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-31 09:12:20,157 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-31 09:12:20,158 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-31 09:12:20,159 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-31 09:12:20,162 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-31 09:12:20,167 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-31 09:12:20,168 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-31 09:12:20,168 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf [2018-01-31 09:12:20,179 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-31 09:12:20,179 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-31 09:12:20,180 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-31 09:12:20,180 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-31 09:12:20,180 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-31 09:12:20,181 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-31 09:12:20,181 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-31 09:12:20,181 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-31 09:12:20,182 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-31 09:12:20,182 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-31 09:12:20,182 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-31 09:12:20,182 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-31 09:12:20,182 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-31 09:12:20,183 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-31 09:12:20,183 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-31 09:12:20,183 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-31 09:12:20,183 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-31 09:12:20,183 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-31 09:12:20,184 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-31 09:12:20,184 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-01-31 09:12:20,184 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-31 09:12:20,184 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-31 09:12:20,184 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-31 09:12:20,184 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-31 09:12:20,185 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-31 09:12:20,185 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-31 09:12:20,185 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-31 09:12:20,185 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-31 09:12:20,185 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-31 09:12:20,185 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-31 09:12:20,186 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-31 09:12:20,186 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-31 09:12:20,187 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-31 09:12:20,187 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-31 09:12:20,239 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-31 09:12:20,256 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-31 09:12:20,262 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-31 09:12:20,264 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-31 09:12:20,265 INFO L276 PluginConnector]: CDTParser initialized [2018-01-31 09:12:20,265 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0158_true-valid-memsafety_true-termination.i [2018-01-31 09:12:20,440 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-31 09:12:20,450 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-31 09:12:20,451 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-31 09:12:20,452 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-31 09:12:20,459 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-31 09:12:20,460 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 09:12:20" (1/1) ... [2018-01-31 09:12:20,465 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4deaff6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:12:20, skipping insertion in model container [2018-01-31 09:12:20,465 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 09:12:20" (1/1) ... [2018-01-31 09:12:20,485 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-31 09:12:20,545 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-31 09:12:20,720 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-31 09:12:20,743 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-31 09:12:20,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:12:20 WrapperNode [2018-01-31 09:12:20,767 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-31 09:12:20,769 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-31 09:12:20,769 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-31 09:12:20,769 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-31 09:12:20,786 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:12:20" (1/1) ... [2018-01-31 09:12:20,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:12:20" (1/1) ... [2018-01-31 09:12:20,797 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:12:20" (1/1) ... [2018-01-31 09:12:20,797 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:12:20" (1/1) ... [2018-01-31 09:12:20,801 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:12:20" (1/1) ... [2018-01-31 09:12:20,804 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:12:20" (1/1) ... [2018-01-31 09:12:20,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:12:20" (1/1) ... [2018-01-31 09:12:20,807 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-31 09:12:20,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-31 09:12:20,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-31 09:12:20,814 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-31 09:12:20,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:12:20" (1/1) ... No working directory specified, using /storage/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 [2018-01-31 09:12:20,884 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-31 09:12:20,884 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-31 09:12:20,885 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-31 09:12:20,885 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-31 09:12:20,885 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-31 09:12:20,885 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-31 09:12:20,885 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-31 09:12:20,885 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-31 09:12:20,886 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-31 09:12:20,886 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-31 09:12:20,886 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-31 09:12:20,886 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-31 09:12:20,886 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-31 09:12:21,265 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-31 09:12:21,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 09:12:21 BoogieIcfgContainer [2018-01-31 09:12:21,266 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-31 09:12:21,266 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-31 09:12:21,267 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-31 09:12:21,270 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-31 09:12:21,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 09:12:20" (1/3) ... [2018-01-31 09:12:21,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4048d3d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 09:12:21, skipping insertion in model container [2018-01-31 09:12:21,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:12:20" (2/3) ... [2018-01-31 09:12:21,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4048d3d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 09:12:21, skipping insertion in model container [2018-01-31 09:12:21,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 09:12:21" (3/3) ... [2018-01-31 09:12:21,276 INFO L107 eAbstractionObserver]: Analyzing ICFG test-0158_true-valid-memsafety_true-termination.i [2018-01-31 09:12:21,286 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-31 09:12:21,294 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2018-01-31 09:12:21,348 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-31 09:12:21,348 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-31 09:12:21,348 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-31 09:12:21,348 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-31 09:12:21,349 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-31 09:12:21,349 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-31 09:12:21,349 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-31 09:12:21,349 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-31 09:12:21,350 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-31 09:12:21,368 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2018-01-31 09:12:21,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-01-31 09:12:21,375 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 09:12:21,375 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 09:12:21,376 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr8EnsuresViolation]=== [2018-01-31 09:12:21,379 INFO L82 PathProgramCache]: Analyzing trace with hash 1024847903, now seen corresponding path program 1 times [2018-01-31 09:12:21,382 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 09:12:21,382 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 09:12:21,442 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:12:21,443 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 09:12:21,443 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:12:21,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 09:12:21,502 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 09:12:21,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-31 09:12:21,600 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 09:12:21,600 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-31 09:12:21,601 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-31 09:12:21,611 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-31 09:12:21,611 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-31 09:12:21,613 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 3 states. [2018-01-31 09:12:21,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 09:12:21,799 INFO L93 Difference]: Finished difference Result 29 states and 28 transitions. [2018-01-31 09:12:21,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-31 09:12:21,801 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-01-31 09:12:21,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 09:12:21,809 INFO L225 Difference]: With dead ends: 29 [2018-01-31 09:12:21,809 INFO L226 Difference]: Without dead ends: 23 [2018-01-31 09:12:21,812 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-31 09:12:21,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2018-01-31 09:12:21,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2018-01-31 09:12:21,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-01-31 09:12:21,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 22 transitions. [2018-01-31 09:12:21,847 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 22 transitions. Word has length 9 [2018-01-31 09:12:21,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 09:12:21,847 INFO L432 AbstractCegarLoop]: Abstraction has 23 states and 22 transitions. [2018-01-31 09:12:21,847 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-31 09:12:21,847 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 22 transitions. [2018-01-31 09:12:21,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-01-31 09:12:21,848 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 09:12:21,848 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 09:12:21,848 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr8EnsuresViolation]=== [2018-01-31 09:12:21,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1024847904, now seen corresponding path program 1 times [2018-01-31 09:12:21,848 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 09:12:21,848 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 09:12:21,849 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:12:21,849 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 09:12:21,849 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:12:21,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 09:12:21,876 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 09:12:21,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-31 09:12:21,991 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 09:12:21,991 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-31 09:12:21,992 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-31 09:12:21,993 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-31 09:12:21,993 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-01-31 09:12:21,993 INFO L87 Difference]: Start difference. First operand 23 states and 22 transitions. Second operand 4 states. [2018-01-31 09:12:22,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 09:12:22,148 INFO L93 Difference]: Finished difference Result 23 states and 22 transitions. [2018-01-31 09:12:22,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-31 09:12:22,149 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2018-01-31 09:12:22,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 09:12:22,150 INFO L225 Difference]: With dead ends: 23 [2018-01-31 09:12:22,150 INFO L226 Difference]: Without dead ends: 20 [2018-01-31 09:12:22,151 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-01-31 09:12:22,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2018-01-31 09:12:22,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2018-01-31 09:12:22,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-01-31 09:12:22,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 19 transitions. [2018-01-31 09:12:22,155 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 19 transitions. Word has length 9 [2018-01-31 09:12:22,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 09:12:22,155 INFO L432 AbstractCegarLoop]: Abstraction has 20 states and 19 transitions. [2018-01-31 09:12:22,155 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-31 09:12:22,155 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 19 transitions. [2018-01-31 09:12:22,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-01-31 09:12:22,157 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 09:12:22,158 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 09:12:22,158 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr8EnsuresViolation]=== [2018-01-31 09:12:22,158 INFO L82 PathProgramCache]: Analyzing trace with hash -1678647759, now seen corresponding path program 1 times [2018-01-31 09:12:22,158 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 09:12:22,158 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 09:12:22,159 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:12:22,160 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 09:12:22,160 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:12:22,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 09:12:22,190 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 09:12:22,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-31 09:12:22,418 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 09:12:22,418 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-31 09:12:22,418 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-31 09:12:22,419 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-31 09:12:22,419 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-31 09:12:22,419 INFO L87 Difference]: Start difference. First operand 20 states and 19 transitions. Second operand 5 states. [2018-01-31 09:12:22,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 09:12:22,518 INFO L93 Difference]: Finished difference Result 20 states and 19 transitions. [2018-01-31 09:12:22,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-31 09:12:22,518 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2018-01-31 09:12:22,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 09:12:22,519 INFO L225 Difference]: With dead ends: 20 [2018-01-31 09:12:22,519 INFO L226 Difference]: Without dead ends: 19 [2018-01-31 09:12:22,519 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-01-31 09:12:22,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2018-01-31 09:12:22,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2018-01-31 09:12:22,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2018-01-31 09:12:22,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2018-01-31 09:12:22,522 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 12 [2018-01-31 09:12:22,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 09:12:22,523 INFO L432 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2018-01-31 09:12:22,523 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-31 09:12:22,523 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2018-01-31 09:12:22,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-01-31 09:12:22,524 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 09:12:22,524 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 09:12:22,524 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr8EnsuresViolation]=== [2018-01-31 09:12:22,525 INFO L82 PathProgramCache]: Analyzing trace with hash -1678647758, now seen corresponding path program 1 times [2018-01-31 09:12:22,525 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 09:12:22,525 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 09:12:22,526 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:12:22,526 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 09:12:22,526 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:12:22,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 09:12:22,541 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 09:12:22,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-31 09:12:22,728 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 09:12:22,729 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-31 09:12:22,729 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-31 09:12:22,729 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-31 09:12:22,730 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-31 09:12:22,730 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand 5 states. [2018-01-31 09:12:22,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 09:12:22,805 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2018-01-31 09:12:22,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-31 09:12:22,806 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2018-01-31 09:12:22,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 09:12:22,806 INFO L225 Difference]: With dead ends: 19 [2018-01-31 09:12:22,807 INFO L226 Difference]: Without dead ends: 18 [2018-01-31 09:12:22,807 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-01-31 09:12:22,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-01-31 09:12:22,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2018-01-31 09:12:22,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-01-31 09:12:22,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 17 transitions. [2018-01-31 09:12:22,810 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 17 transitions. Word has length 12 [2018-01-31 09:12:22,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 09:12:22,810 INFO L432 AbstractCegarLoop]: Abstraction has 18 states and 17 transitions. [2018-01-31 09:12:22,811 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-31 09:12:22,811 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 17 transitions. [2018-01-31 09:12:22,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-01-31 09:12:22,811 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 09:12:22,811 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 09:12:22,811 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr8EnsuresViolation]=== [2018-01-31 09:12:22,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1502951207, now seen corresponding path program 1 times [2018-01-31 09:12:22,812 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 09:12:22,812 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 09:12:22,813 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:12:22,813 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 09:12:22,813 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:12:22,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 09:12:22,831 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 09:12:23,221 WARN L146 SmtUtils]: Spent 106ms on a formula simplification. DAG size of input: 26 DAG size of output 13 [2018-01-31 09:12:23,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-31 09:12:23,294 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 09:12:23,294 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-01-31 09:12:23,294 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-01-31 09:12:23,294 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-01-31 09:12:23,294 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-01-31 09:12:23,295 INFO L87 Difference]: Start difference. First operand 18 states and 17 transitions. Second operand 8 states. [2018-01-31 09:12:23,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 09:12:23,801 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2018-01-31 09:12:23,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-01-31 09:12:23,801 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2018-01-31 09:12:23,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 09:12:23,802 INFO L225 Difference]: With dead ends: 18 [2018-01-31 09:12:23,802 INFO L226 Difference]: Without dead ends: 0 [2018-01-31 09:12:23,803 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2018-01-31 09:12:23,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-31 09:12:23,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-31 09:12:23,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-31 09:12:23,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-31 09:12:23,804 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2018-01-31 09:12:23,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 09:12:23,804 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-31 09:12:23,804 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-01-31 09:12:23,804 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-31 09:12:23,804 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-31 09:12:23,809 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-31 09:12:23,831 INFO L399 ceAbstractionStarter]: For program point L1(lines 1 633) no Hoare annotation was computed. [2018-01-31 09:12:23,831 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 633) no Hoare annotation was computed. [2018-01-31 09:12:23,831 INFO L395 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 633) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-31 09:12:23,831 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 633) no Hoare annotation was computed. [2018-01-31 09:12:23,831 INFO L402 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 633) the Hoare annotation is: true [2018-01-31 09:12:23,831 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 633) no Hoare annotation was computed. [2018-01-31 09:12:23,831 INFO L402 ceAbstractionStarter]: At program point L1(lines 1 633) the Hoare annotation is: true [2018-01-31 09:12:23,831 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 633) no Hoare annotation was computed. [2018-01-31 09:12:23,832 INFO L399 ceAbstractionStarter]: For program point mainErr1RequiresViolation(lines 1 633) no Hoare annotation was computed. [2018-01-31 09:12:23,832 INFO L399 ceAbstractionStarter]: For program point L630(line 630) no Hoare annotation was computed. [2018-01-31 09:12:23,832 INFO L399 ceAbstractionStarter]: For program point mainErr3RequiresViolation(lines 1 633) no Hoare annotation was computed. [2018-01-31 09:12:23,832 INFO L399 ceAbstractionStarter]: For program point mainErr8EnsuresViolation(lines 619 633) no Hoare annotation was computed. [2018-01-31 09:12:23,832 INFO L399 ceAbstractionStarter]: For program point mainErr6RequiresViolation(lines 1 633) no Hoare annotation was computed. [2018-01-31 09:12:23,832 INFO L399 ceAbstractionStarter]: For program point mainFINAL(lines 619 633) no Hoare annotation was computed. [2018-01-31 09:12:23,832 INFO L399 ceAbstractionStarter]: For program point mainErr4RequiresViolation(lines 1 633) no Hoare annotation was computed. [2018-01-31 09:12:23,832 INFO L399 ceAbstractionStarter]: For program point L621''(lines 621 628) no Hoare annotation was computed. [2018-01-31 09:12:23,832 INFO L399 ceAbstractionStarter]: For program point L621(lines 621 628) no Hoare annotation was computed. [2018-01-31 09:12:23,832 INFO L399 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-31 09:12:23,833 INFO L399 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-31 09:12:23,833 INFO L399 ceAbstractionStarter]: For program point mainErr0RequiresViolation(lines 1 633) no Hoare annotation was computed. [2018-01-31 09:12:23,833 INFO L399 ceAbstractionStarter]: For program point mainEXIT(lines 619 633) no Hoare annotation was computed. [2018-01-31 09:12:23,833 INFO L395 ceAbstractionStarter]: At program point mainENTRY(lines 619 633) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-31 09:12:23,833 INFO L399 ceAbstractionStarter]: For program point mainErr7RequiresViolation(lines 1 633) no Hoare annotation was computed. [2018-01-31 09:12:23,833 INFO L399 ceAbstractionStarter]: For program point L629(line 629) no Hoare annotation was computed. [2018-01-31 09:12:23,833 INFO L399 ceAbstractionStarter]: For program point mainErr2RequiresViolation(lines 1 633) no Hoare annotation was computed. [2018-01-31 09:12:23,833 INFO L399 ceAbstractionStarter]: For program point mainErr5RequiresViolation(lines 1 633) no Hoare annotation was computed. [2018-01-31 09:12:23,833 INFO L399 ceAbstractionStarter]: For program point L621'(lines 621 628) no Hoare annotation was computed. [2018-01-31 09:12:23,833 INFO L399 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-31 09:12:23,833 INFO L399 ceAbstractionStarter]: For program point L629'(line 629) no Hoare annotation was computed. [2018-01-31 09:12:23,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 09:12:23 BoogieIcfgContainer [2018-01-31 09:12:23,837 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-31 09:12:23,837 INFO L168 Benchmark]: Toolchain (without parser) took 3396.57 ms. Allocated memory was 302.5 MB in the beginning and 460.8 MB in the end (delta: 158.3 MB). Free memory was 262.2 MB in the beginning and 325.9 MB in the end (delta: -63.8 MB). Peak memory consumption was 94.5 MB. Max. memory is 5.3 GB. [2018-01-31 09:12:23,838 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 302.5 MB. Free memory is still 268.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-31 09:12:23,839 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.08 ms. Allocated memory is still 302.5 MB. Free memory was 261.2 MB in the beginning and 251.2 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. [2018-01-31 09:12:23,839 INFO L168 Benchmark]: Boogie Preprocessor took 38.14 ms. Allocated memory is still 302.5 MB. Free memory was 251.2 MB in the beginning and 250.2 MB in the end (delta: 996.2 kB). Peak memory consumption was 996.2 kB. Max. memory is 5.3 GB. [2018-01-31 09:12:23,839 INFO L168 Benchmark]: RCFGBuilder took 452.19 ms. Allocated memory is still 302.5 MB. Free memory was 250.2 MB in the beginning and 236.0 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 5.3 GB. [2018-01-31 09:12:23,840 INFO L168 Benchmark]: TraceAbstraction took 2570.15 ms. Allocated memory was 302.5 MB in the beginning and 460.8 MB in the end (delta: 158.3 MB). Free memory was 235.0 MB in the beginning and 325.9 MB in the end (delta: -91.0 MB). Peak memory consumption was 67.4 MB. Max. memory is 5.3 GB. [2018-01-31 09:12:23,842 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 302.5 MB. Free memory is still 268.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 316.08 ms. Allocated memory is still 302.5 MB. Free memory was 261.2 MB in the beginning and 251.2 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 38.14 ms. Allocated memory is still 302.5 MB. Free memory was 251.2 MB in the beginning and 250.2 MB in the end (delta: 996.2 kB). Peak memory consumption was 996.2 kB. Max. memory is 5.3 GB. * RCFGBuilder took 452.19 ms. Allocated memory is still 302.5 MB. Free memory was 250.2 MB in the beginning and 236.0 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 5.3 GB. * TraceAbstraction took 2570.15 ms. Allocated memory was 302.5 MB in the beginning and 460.8 MB in the end (delta: 158.3 MB). Free memory was 235.0 MB in the beginning and 325.9 MB in the end (delta: -91.0 MB). Peak memory consumption was 67.4 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 619]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 9 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 29 locations, 9 error locations. SAFE Result, 2.4s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 1.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 62 SDtfs, 44 SDslu, 93 SDs, 0 SdLazy, 118 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 7 SyntacticMatches, 3 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 4 NumberOfFragments, 8 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 59 NumberOfCodeBlocks, 59 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 3982 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0158_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-31_09-12-23-850.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0158_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-31_09-12-23-850.csv Received shutdown request...