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_z3.epf -i ../../../trunk/examples/svcomp/memsafety/20051113-1.c_false-valid-memtrack.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ccafca9-m [2018-02-04 04:30:49,278 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 04:30:49,279 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 04:30:49,290 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 04:30:49,290 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 04:30:49,291 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 04:30:49,292 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 04:30:49,293 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 04:30:49,295 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 04:30:49,295 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 04:30:49,296 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 04:30:49,296 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 04:30:49,297 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 04:30:49,298 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 04:30:49,299 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 04:30:49,300 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 04:30:49,302 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 04:30:49,303 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 04:30:49,304 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 04:30:49,305 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 04:30:49,306 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-02-04 04:30:49,310 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-04 04:30:49,310 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-04 04:30:49,311 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf [2018-02-04 04:30:49,320 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 04:30:49,320 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 04:30:49,321 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 04:30:49,321 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 04:30:49,322 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 04:30:49,322 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 04:30:49,322 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 04:30:49,322 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 04:30:49,322 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 04:30:49,322 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 04:30:49,323 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 04:30:49,323 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 04:30:49,323 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 04:30:49,323 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-04 04:30:49,323 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 04:30:49,323 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 04:30:49,323 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 04:30:49,324 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 04:30:49,324 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 04:30:49,324 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 04:30:49,324 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 04:30:49,324 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 04:30:49,324 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-02-04 04:30:49,324 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-02-04 04:30:49,325 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:30:49,350 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 04:30:49,360 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 04:30:49,363 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 04:30:49,364 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 04:30:49,364 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 04:30:49,365 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/20051113-1.c_false-valid-memtrack.i [2018-02-04 04:30:49,489 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 04:30:49,490 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 04:30:49,490 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 04:30:49,490 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 04:30:49,502 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 04:30:49,503 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:30:49" (1/1) ... [2018-02-04 04:30:49,505 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32677a66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:30:49, skipping insertion in model container [2018-02-04 04:30:49,505 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:30:49" (1/1) ... [2018-02-04 04:30:49,518 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 04:30:49,546 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 04:30:49,641 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 04:30:49,655 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 04:30:49,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:30:49 WrapperNode [2018-02-04 04:30:49,659 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 04:30:49,659 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 04:30:49,659 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 04:30:49,659 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 04:30:49,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:30:49" (1/1) ... [2018-02-04 04:30:49,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:30:49" (1/1) ... [2018-02-04 04:30:49,676 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:30:49" (1/1) ... [2018-02-04 04:30:49,676 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:30:49" (1/1) ... [2018-02-04 04:30:49,679 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:30:49" (1/1) ... [2018-02-04 04:30:49,681 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:30:49" (1/1) ... [2018-02-04 04:30:49,682 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:30:49" (1/1) ... [2018-02-04 04:30:49,683 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 04:30:49,683 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 04:30:49,683 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 04:30:49,683 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 04:30:49,684 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:30:49" (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 04:30:49,715 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 04:30:49,715 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 04:30:49,715 INFO L136 BoogieDeclarations]: Found implementation of procedure Sum [2018-02-04 04:30:49,715 INFO L136 BoogieDeclarations]: Found implementation of procedure Sum2 [2018-02-04 04:30:49,715 INFO L136 BoogieDeclarations]: Found implementation of procedure dummy_abort [2018-02-04 04:30:49,715 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 04:30:49,715 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-04 04:30:49,716 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-04 04:30:49,716 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 04:30:49,716 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 04:30:49,716 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 04:30:49,716 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-02-04 04:30:49,716 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-02-04 04:30:49,716 INFO L128 BoogieDeclarations]: Found specification of procedure memset [2018-02-04 04:30:49,716 INFO L128 BoogieDeclarations]: Found specification of procedure Sum [2018-02-04 04:30:49,716 INFO L128 BoogieDeclarations]: Found specification of procedure Sum2 [2018-02-04 04:30:49,716 INFO L128 BoogieDeclarations]: Found specification of procedure dummy_abort [2018-02-04 04:30:49,716 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 04:30:49,716 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 04:30:49,716 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 04:30:49,798 WARN L455 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-02-04 04:30:49,906 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 04:30:49,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:30:49 BoogieIcfgContainer [2018-02-04 04:30:49,907 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 04:30:49,907 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 04:30:49,907 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 04:30:49,909 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 04:30:49,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 04:30:49" (1/3) ... [2018-02-04 04:30:49,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aac7ccc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:30:49, skipping insertion in model container [2018-02-04 04:30:49,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:30:49" (2/3) ... [2018-02-04 04:30:49,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aac7ccc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:30:49, skipping insertion in model container [2018-02-04 04:30:49,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:30:49" (3/3) ... [2018-02-04 04:30:49,911 INFO L107 eAbstractionObserver]: Analyzing ICFG 20051113-1.c_false-valid-memtrack.i [2018-02-04 04:30:49,916 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-04 04:30:49,920 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 25 error locations. [2018-02-04 04:30:49,941 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 04:30:49,942 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 04:30:49,942 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-02-04 04:30:49,942 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-04 04:30:49,942 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 04:30:49,942 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 04:30:49,942 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 04:30:49,942 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 04:30:49,943 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 04:30:49,952 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states. [2018-02-04 04:30:49,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-04 04:30:49,959 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:30:49,960 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:30:49,960 INFO L371 AbstractCegarLoop]: === Iteration 1 === [Sum2Err2RequiresViolation, Sum2Err0RequiresViolation, Sum2Err1RequiresViolation, Sum2Err3RequiresViolation, SumErr2RequiresViolation, SumErr3RequiresViolation, SumErr1RequiresViolation, SumErr0RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr16EnsuresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 04:30:49,963 INFO L82 PathProgramCache]: Analyzing trace with hash -1274877597, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:30:49,971 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:30:49,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:30:49,987 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 04:30:49,993 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:30:49,993 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:30:49,994 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:30:49,994 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:30:50,020 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |c_#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)) is different from true [2018-02-04 04:30:50,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:30:50,058 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 04:30:50,076 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:30:50,076 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 04:30:50,076 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:30:50,077 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 04:30:50,077 INFO L182 omatonBuilderFactory]: Interpolants [83#true, 84#false, 88#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)), 89#(= 1 (select |#valid| |main_#t~malloc9.base|)), 90#(= 1 (select |#valid| main_~p~0.base)), 91#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-02-04 04:30:50,077 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 04:30:50,078 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 04:30:50,085 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 04:30:50,086 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-02-04 04:30:50,087 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 6 states. [2018-02-04 04:30:50,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:30:50,337 INFO L93 Difference]: Finished difference Result 72 states and 77 transitions. [2018-02-04 04:30:50,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 04:30:50,338 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 8 [2018-02-04 04:30:50,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:30:50,344 INFO L225 Difference]: With dead ends: 72 [2018-02-04 04:30:50,344 INFO L226 Difference]: Without dead ends: 69 [2018-02-04 04:30:50,345 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=37, Unknown=3, NotChecked=12, Total=72 [2018-02-04 04:30:50,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-02-04 04:30:50,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2018-02-04 04:30:50,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-02-04 04:30:50,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 74 transitions. [2018-02-04 04:30:50,430 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 74 transitions. Word has length 8 [2018-02-04 04:30:50,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:30:50,430 INFO L432 AbstractCegarLoop]: Abstraction has 69 states and 74 transitions. [2018-02-04 04:30:50,430 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 04:30:50,431 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 74 transitions. [2018-02-04 04:30:50,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-04 04:30:50,431 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:30:50,431 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:30:50,431 INFO L371 AbstractCegarLoop]: === Iteration 2 === [Sum2Err2RequiresViolation, Sum2Err0RequiresViolation, Sum2Err1RequiresViolation, Sum2Err3RequiresViolation, SumErr2RequiresViolation, SumErr3RequiresViolation, SumErr1RequiresViolation, SumErr0RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr16EnsuresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 04:30:50,431 INFO L82 PathProgramCache]: Analyzing trace with hash -1274877596, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:30:50,434 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:30:50,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:30:50,443 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 04:30:50,444 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:30:50,444 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:30:50,444 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:30:50,445 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:30:50,457 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |c_#length| %1 94) (store %0 %1 94)) :qid itp)) :qid itp)) is different from true [2018-02-04 04:30:50,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:30:50,482 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 04:30:50,498 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:30:50,498 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 04:30:50,498 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:30:50,498 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 04:30:50,499 INFO L182 omatonBuilderFactory]: Interpolants [240#false, 244#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#length| %1 94) (store %0 %1 94)) :qid itp)) :qid itp)), 245#(and (= 0 |main_#t~malloc9.offset|) (= 94 (select |#length| |main_#t~malloc9.base|))), 246#(and (<= 0 main_~p~0.offset) (<= (+ main_~p~0.offset 94) (select |#length| main_~p~0.base))), 247#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 239#true] [2018-02-04 04:30:50,499 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 04:30:50,500 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 04:30:50,500 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 04:30:50,500 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-02-04 04:30:50,501 INFO L87 Difference]: Start difference. First operand 69 states and 74 transitions. Second operand 6 states. [2018-02-04 04:30:50,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:30:50,640 INFO L93 Difference]: Finished difference Result 61 states and 66 transitions. [2018-02-04 04:30:50,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 04:30:50,640 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 8 [2018-02-04 04:30:50,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:30:50,641 INFO L225 Difference]: With dead ends: 61 [2018-02-04 04:30:50,641 INFO L226 Difference]: Without dead ends: 61 [2018-02-04 04:30:50,642 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=27, Unknown=3, NotChecked=10, Total=56 [2018-02-04 04:30:50,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-02-04 04:30:50,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2018-02-04 04:30:50,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-02-04 04:30:50,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 66 transitions. [2018-02-04 04:30:50,647 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 66 transitions. Word has length 8 [2018-02-04 04:30:50,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:30:50,647 INFO L432 AbstractCegarLoop]: Abstraction has 61 states and 66 transitions. [2018-02-04 04:30:50,648 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 04:30:50,648 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 66 transitions. [2018-02-04 04:30:50,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-02-04 04:30:50,648 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:30:50,648 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, 1, 1] [2018-02-04 04:30:50,648 INFO L371 AbstractCegarLoop]: === Iteration 3 === [Sum2Err2RequiresViolation, Sum2Err0RequiresViolation, Sum2Err1RequiresViolation, Sum2Err3RequiresViolation, SumErr2RequiresViolation, SumErr3RequiresViolation, SumErr1RequiresViolation, SumErr0RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr16EnsuresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 04:30:50,649 INFO L82 PathProgramCache]: Analyzing trace with hash -1852712777, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:30:50,651 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:30:50,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:30:50,693 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 108 column 496: theory not supported by interpolation or bad proof at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1420) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:206) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseInterpolants(Executor.java:255) at de.uni_freiburg.informatik.ultimate.smtsolver.external.ScriptorWithGetInterpolants.readInterpolants(ScriptorWithGetInterpolants.java:136) at de.uni_freiburg.informatik.ultimate.smtsolver.external.ScriptorWithGetInterpolants.getInterpolants(ScriptorWithGetInterpolants.java:64) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.DiffWrapperScript.getInterpolants(DiffWrapperScript.java:260) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:186) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:283) 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.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:294) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:196) 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) [2018-02-04 04:30:50,696 INFO L168 Benchmark]: Toolchain (without parser) took 1207.07 ms. Allocated memory was 406.3 MB in the beginning and 614.5 MB in the end (delta: 208.1 MB). Free memory was 363.2 MB in the beginning and 540.6 MB in the end (delta: -177.4 MB). Peak memory consumption was 30.7 MB. Max. memory is 5.3 GB. [2018-02-04 04:30:50,697 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 406.3 MB. Free memory is still 369.8 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 04:30:50,698 INFO L168 Benchmark]: CACSL2BoogieTranslator took 169.07 ms. Allocated memory is still 406.3 MB. Free memory was 363.2 MB in the beginning and 352.6 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. [2018-02-04 04:30:50,698 INFO L168 Benchmark]: Boogie Preprocessor took 23.66 ms. Allocated memory is still 406.3 MB. Free memory was 352.6 MB in the beginning and 350.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-02-04 04:30:50,699 INFO L168 Benchmark]: RCFGBuilder took 223.80 ms. Allocated memory is still 406.3 MB. Free memory was 350.0 MB in the beginning and 326.6 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 5.3 GB. [2018-02-04 04:30:50,699 INFO L168 Benchmark]: TraceAbstraction took 788.39 ms. Allocated memory was 406.3 MB in the beginning and 614.5 MB in the end (delta: 208.1 MB). Free memory was 325.3 MB in the beginning and 540.6 MB in the end (delta: -215.3 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 04:30:50,702 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 406.3 MB. Free memory is still 369.8 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 169.07 ms. Allocated memory is still 406.3 MB. Free memory was 363.2 MB in the beginning and 352.6 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 23.66 ms. Allocated memory is still 406.3 MB. Free memory was 352.6 MB in the beginning and 350.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 223.80 ms. Allocated memory is still 406.3 MB. Free memory was 350.0 MB in the beginning and 326.6 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 5.3 GB. * TraceAbstraction took 788.39 ms. Allocated memory was 406.3 MB in the beginning and 614.5 MB in the end (delta: 208.1 MB). Free memory was 325.3 MB in the beginning and 540.6 MB in the end (delta: -215.3 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 108 column 496: theory not supported by interpolation or bad proof de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 108 column 496: theory not supported by interpolation or bad proof: de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1420) 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/20051113-1.c_false-valid-memtrack.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_04-30-50-710.csv Received shutdown request...