java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cav18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/ArraysOfVariableLength2_false-valid-deref-write.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-26d9e06-m [2018-02-02 10:41:05,148 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-02 10:41:05,150 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-02 10:41:05,163 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-02 10:41:05,163 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-02 10:41:05,164 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-02 10:41:05,165 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-02 10:41:05,166 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-02 10:41:05,168 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-02 10:41:05,168 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-02 10:41:05,169 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-02 10:41:05,169 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-02 10:41:05,170 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-02 10:41:05,171 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-02 10:41:05,172 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-02 10:41:05,174 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-02 10:41:05,175 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-02 10:41:05,177 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-02 10:41:05,178 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-02 10:41:05,179 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-02 10:41:05,181 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-02-02 10:41:05,186 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cav18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf [2018-02-02 10:41:05,195 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-02 10:41:05,196 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-02 10:41:05,196 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-02 10:41:05,196 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-02 10:41:05,197 INFO L133 SettingsManager]: * Use SBE=true [2018-02-02 10:41:05,197 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-02 10:41:05,197 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-02 10:41:05,197 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-02 10:41:05,197 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-02 10:41:05,197 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-02 10:41:05,197 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-02 10:41:05,197 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-02 10:41:05,198 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-02 10:41:05,198 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-02 10:41:05,198 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-02 10:41:05,198 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-02 10:41:05,198 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-02 10:41:05,198 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-02 10:41:05,198 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-02 10:41:05,198 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-02 10:41:05,198 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-02 10:41:05,199 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-02 10:41:05,199 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-02-02 10:41:05,199 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol_NoArrayInterpol [2018-02-02 10:41:05,226 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-02 10:41:05,234 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-02 10:41:05,237 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-02 10:41:05,238 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-02 10:41:05,238 INFO L276 PluginConnector]: CDTParser initialized [2018-02-02 10:41:05,239 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/ArraysOfVariableLength2_false-valid-deref-write.c [2018-02-02 10:41:05,314 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-02 10:41:05,316 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-02 10:41:05,317 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-02 10:41:05,317 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-02 10:41:05,323 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-02 10:41:05,324 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 10:41:05" (1/1) ... [2018-02-02 10:41:05,326 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@402bcb14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:41:05, skipping insertion in model container [2018-02-02 10:41:05,327 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 10:41:05" (1/1) ... [2018-02-02 10:41:05,344 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 10:41:05,359 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 10:41:05,464 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 10:41:05,478 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 10:41:05,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:41:05 WrapperNode [2018-02-02 10:41:05,483 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-02 10:41:05,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-02 10:41:05,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-02 10:41:05,484 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-02 10:41:05,492 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:41:05" (1/1) ... [2018-02-02 10:41:05,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:41:05" (1/1) ... [2018-02-02 10:41:05,499 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:41:05" (1/1) ... [2018-02-02 10:41:05,499 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:41:05" (1/1) ... [2018-02-02 10:41:05,501 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:41:05" (1/1) ... [2018-02-02 10:41:05,505 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:41:05" (1/1) ... [2018-02-02 10:41:05,506 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:41:05" (1/1) ... [2018-02-02 10:41:05,507 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-02 10:41:05,508 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-02 10:41:05,508 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-02 10:41:05,508 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-02 10:41:05,509 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:41:05" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-02 10:41:05,551 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-02 10:41:05,551 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-02 10:41:05,551 INFO L136 BoogieDeclarations]: Found implementation of procedure bar [2018-02-02 10:41:05,551 INFO L136 BoogieDeclarations]: Found implementation of procedure foo [2018-02-02 10:41:05,551 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-02 10:41:05,551 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-02 10:41:05,551 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-02 10:41:05,552 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-02 10:41:05,552 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-02 10:41:05,552 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-02 10:41:05,552 INFO L128 BoogieDeclarations]: Found specification of procedure bar [2018-02-02 10:41:05,552 INFO L128 BoogieDeclarations]: Found specification of procedure foo [2018-02-02 10:41:05,552 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-02 10:41:05,552 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-02 10:41:05,552 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-02 10:41:05,687 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-02 10:41:05,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 10:41:05 BoogieIcfgContainer [2018-02-02 10:41:05,687 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-02 10:41:05,688 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-02 10:41:05,688 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-02 10:41:05,690 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-02 10:41:05,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 10:41:05" (1/3) ... [2018-02-02 10:41:05,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f463009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 10:41:05, skipping insertion in model container [2018-02-02 10:41:05,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:41:05" (2/3) ... [2018-02-02 10:41:05,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f463009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 10:41:05, skipping insertion in model container [2018-02-02 10:41:05,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 10:41:05" (3/3) ... [2018-02-02 10:41:05,692 INFO L107 eAbstractionObserver]: Analyzing ICFG ArraysOfVariableLength2_false-valid-deref-write.c [2018-02-02 10:41:05,698 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-02 10:41:05,702 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations. [2018-02-02 10:41:05,734 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-02 10:41:05,734 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-02 10:41:05,734 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-02-02 10:41:05,734 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-02 10:41:05,734 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-02 10:41:05,735 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-02 10:41:05,735 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-02 10:41:05,735 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-02 10:41:05,735 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-02 10:41:05,743 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states. [2018-02-02 10:41:05,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-02-02 10:41:05,750 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:41:05,751 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 10:41:05,751 INFO L371 AbstractCegarLoop]: === Iteration 1 === [barErr1RequiresViolation, barErr0RequiresViolation, fooErr1RequiresViolation, fooErr0RequiresViolation, fooErr2RequiresViolation, fooErr3RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr0RequiresViolation, mainErr4EnsuresViolation]=== [2018-02-02 10:41:05,754 INFO L82 PathProgramCache]: Analyzing trace with hash 1613294992, now seen corresponding path program 1 times [2018-02-02 10:41:05,793 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:41:05,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:41:05,824 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:41:05,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:41:05,847 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 10:41:05,847 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-02-02 10:41:05,848 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:41:05,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:41:05,848 INFO L182 omatonBuilderFactory]: Interpolants [71#true, 72#false] [2018-02-02 10:41:05,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:41:05,849 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-02-02 10:41:05,857 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-02-02 10:41:05,858 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-02-02 10:41:05,859 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 2 states. [2018-02-02 10:41:05,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:41:05,871 INFO L93 Difference]: Finished difference Result 68 states and 73 transitions. [2018-02-02 10:41:05,871 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-02-02 10:41:05,872 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2018-02-02 10:41:05,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:41:05,878 INFO L225 Difference]: With dead ends: 68 [2018-02-02 10:41:05,878 INFO L226 Difference]: Without dead ends: 65 [2018-02-02 10:41:05,880 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-02-02 10:41:05,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-02-02 10:41:05,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2018-02-02 10:41:05,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-02-02 10:41:05,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 70 transitions. [2018-02-02 10:41:05,910 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 70 transitions. Word has length 13 [2018-02-02 10:41:05,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:41:05,910 INFO L432 AbstractCegarLoop]: Abstraction has 65 states and 70 transitions. [2018-02-02 10:41:05,910 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-02-02 10:41:05,910 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 70 transitions. [2018-02-02 10:41:05,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-02-02 10:41:05,911 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:41:05,911 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 10:41:05,911 INFO L371 AbstractCegarLoop]: === Iteration 2 === [barErr1RequiresViolation, barErr0RequiresViolation, fooErr1RequiresViolation, fooErr0RequiresViolation, fooErr2RequiresViolation, fooErr3RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr0RequiresViolation, mainErr4EnsuresViolation]=== [2018-02-02 10:41:05,911 INFO L82 PathProgramCache]: Analyzing trace with hash -1969953325, now seen corresponding path program 1 times [2018-02-02 10:41:05,912 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:41:05,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:41:05,923 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:41:06,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:41:06,024 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 10:41:06,024 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-02 10:41:06,025 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:41:06,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:41:06,025 INFO L182 omatonBuilderFactory]: Interpolants [208#(= main_~i~2 0), 206#true, 207#false] [2018-02-02 10:41:06,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:41:06,026 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-02-02 10:41:06,026 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-02-02 10:41:06,026 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-02 10:41:06,026 INFO L87 Difference]: Start difference. First operand 65 states and 70 transitions. Second operand 3 states. [2018-02-02 10:41:06,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:41:06,059 INFO L93 Difference]: Finished difference Result 71 states and 76 transitions. [2018-02-02 10:41:06,059 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-02-02 10:41:06,059 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2018-02-02 10:41:06,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:41:06,062 INFO L225 Difference]: With dead ends: 71 [2018-02-02 10:41:06,063 INFO L226 Difference]: Without dead ends: 71 [2018-02-02 10:41:06,063 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 [2018-02-02 10:41:06,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-02-02 10:41:06,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 64. [2018-02-02 10:41:06,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-02-02 10:41:06,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 68 transitions. [2018-02-02 10:41:06,072 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 68 transitions. Word has length 14 [2018-02-02 10:41:06,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:41:06,072 INFO L432 AbstractCegarLoop]: Abstraction has 64 states and 68 transitions. [2018-02-02 10:41:06,073 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-02-02 10:41:06,073 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2018-02-02 10:41:06,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-02-02 10:41:06,073 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:41:06,073 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 10:41:06,074 INFO L371 AbstractCegarLoop]: === Iteration 3 === [barErr1RequiresViolation, barErr0RequiresViolation, fooErr1RequiresViolation, fooErr0RequiresViolation, fooErr2RequiresViolation, fooErr3RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr0RequiresViolation, mainErr4EnsuresViolation]=== [2018-02-02 10:41:06,074 INFO L82 PathProgramCache]: Analyzing trace with hash -1297061679, now seen corresponding path program 1 times [2018-02-02 10:41:06,076 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:41:06,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:41:06,095 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:41:06,105 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Unknown lemma type! at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkLeafNode(Interpolator.java:299) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.access$1(Interpolator.java:263) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$ProofTreeWalker.walk(Interpolator.java:132) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.interpolate(Interpolator.java:220) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:201) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:915) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:192) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:281) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:164) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsTree(InterpolatingTraceCheckCraig.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:199) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:222) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.FixedTraceAbstractionRefinementStrategy.getTraceCheck(FixedTraceAbstractionRefinementStrategy.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:205) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:397) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:381) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:316) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:292) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:147) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:119) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-02-02 10:41:06,108 INFO L168 Benchmark]: Toolchain (without parser) took 793.15 ms. Allocated memory was 402.7 MB in the beginning and 619.7 MB in the end (delta: 217.1 MB). Free memory was 360.8 MB in the beginning and 583.7 MB in the end (delta: -222.9 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-02-02 10:41:06,109 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 402.7 MB. Free memory is still 366.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-02 10:41:06,109 INFO L168 Benchmark]: CACSL2BoogieTranslator took 166.84 ms. Allocated memory is still 402.7 MB. Free memory was 360.8 MB in the beginning and 352.9 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 5.3 GB. [2018-02-02 10:41:06,110 INFO L168 Benchmark]: Boogie Preprocessor took 23.81 ms. Allocated memory is still 402.7 MB. Free memory was 352.9 MB in the beginning and 350.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-02-02 10:41:06,110 INFO L168 Benchmark]: RCFGBuilder took 179.47 ms. Allocated memory is still 402.7 MB. Free memory was 350.2 MB in the beginning and 329.3 MB in the end (delta: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 5.3 GB. [2018-02-02 10:41:06,110 INFO L168 Benchmark]: TraceAbstraction took 419.25 ms. Allocated memory was 402.7 MB in the beginning and 619.7 MB in the end (delta: 217.1 MB). Free memory was 329.3 MB in the beginning and 583.7 MB in the end (delta: -254.4 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-02-02 10:41:06,113 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 402.7 MB. Free memory is still 366.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 166.84 ms. Allocated memory is still 402.7 MB. Free memory was 360.8 MB in the beginning and 352.9 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 23.81 ms. Allocated memory is still 402.7 MB. Free memory was 352.9 MB in the beginning and 350.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 179.47 ms. Allocated memory is still 402.7 MB. Free memory was 350.2 MB in the beginning and 329.3 MB in the end (delta: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 419.25 ms. Allocated memory was 402.7 MB in the beginning and 619.7 MB in the end (delta: 217.1 MB). Free memory was 329.3 MB in the beginning and 583.7 MB in the end (delta: -254.4 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/ArraysOfVariableLength2_false-valid-deref-write.c_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-02_10-41-06-120.csv Received shutdown request...