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_z3.epf -i ../../../trunk/examples/svcomp/list-properties/splice_true-unreach-call_false-valid-memtrack.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-26d9e06-m [2018-02-02 11:09:28,363 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-02 11:09:28,364 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-02 11:09:28,377 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-02 11:09:28,377 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-02 11:09:28,377 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-02 11:09:28,378 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-02 11:09:28,380 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-02 11:09:28,381 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-02 11:09:28,382 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-02 11:09:28,383 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-02 11:09:28,383 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-02 11:09:28,384 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-02 11:09:28,385 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-02 11:09:28,385 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-02 11:09:28,387 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-02 11:09:28,389 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-02 11:09:28,390 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-02 11:09:28,391 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-02 11:09:28,392 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-02 11:09:28,394 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-02 11:09:28,394 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-02 11:09:28,394 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-02 11:09:28,395 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-02 11:09:28,396 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-02 11:09:28,397 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-02 11:09:28,397 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-02 11:09:28,397 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-02 11:09:28,398 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-02 11:09:28,398 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-02 11:09:28,398 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-02 11:09:28,399 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cav18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf [2018-02-02 11:09:28,408 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-02 11:09:28,408 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-02 11:09:28,409 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-02 11:09:28,409 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-02 11:09:28,409 INFO L133 SettingsManager]: * Use SBE=true [2018-02-02 11:09:28,409 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-02 11:09:28,409 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-02 11:09:28,410 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-02 11:09:28,410 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-02 11:09:28,410 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-02 11:09:28,410 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-02 11:09:28,410 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-02 11:09:28,410 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-02 11:09:28,410 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-02 11:09:28,410 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-02 11:09:28,410 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-02 11:09:28,411 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-02 11:09:28,411 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-02 11:09:28,411 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-02 11:09:28,411 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-02 11:09:28,411 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-02 11:09:28,411 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-02 11:09:28,411 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-02-02 11:09:28,411 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-02-02 11:09:28,412 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-02 11:09:28,442 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-02 11:09:28,449 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-02 11:09:28,452 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-02 11:09:28,453 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-02 11:09:28,453 INFO L276 PluginConnector]: CDTParser initialized [2018-02-02 11:09:28,454 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-properties/splice_true-unreach-call_false-valid-memtrack.i [2018-02-02 11:09:28,563 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-02 11:09:28,564 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-02 11:09:28,564 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-02 11:09:28,564 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-02 11:09:28,568 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-02 11:09:28,569 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 11:09:28" (1/1) ... [2018-02-02 11:09:28,571 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b546732 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 11:09:28, skipping insertion in model container [2018-02-02 11:09:28,571 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 11:09:28" (1/1) ... [2018-02-02 11:09:28,581 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 11:09:28,608 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 11:09:28,694 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 11:09:28,708 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 11:09:28,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 11:09:28 WrapperNode [2018-02-02 11:09:28,715 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-02 11:09:28,716 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-02 11:09:28,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-02 11:09:28,716 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-02 11:09:28,729 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 11:09:28" (1/1) ... [2018-02-02 11:09:28,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 11:09:28" (1/1) ... [2018-02-02 11:09:28,737 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 11:09:28" (1/1) ... [2018-02-02 11:09:28,737 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 11:09:28" (1/1) ... [2018-02-02 11:09:28,741 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 11:09:28" (1/1) ... [2018-02-02 11:09:28,743 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 11:09:28" (1/1) ... [2018-02-02 11:09:28,744 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 11:09:28" (1/1) ... [2018-02-02 11:09:28,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-02 11:09:28,746 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-02 11:09:28,746 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-02 11:09:28,746 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-02 11:09:28,747 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 11:09:28" (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 11:09:28,787 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-02 11:09:28,787 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-02 11:09:28,787 INFO L136 BoogieDeclarations]: Found implementation of procedure exit [2018-02-02 11:09:28,787 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-02 11:09:28,787 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-02 11:09:28,787 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-02 11:09:28,787 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-02 11:09:28,787 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-02 11:09:28,787 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-02 11:09:28,788 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-02 11:09:28,788 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-02 11:09:28,788 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-02-02 11:09:28,788 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-02 11:09:28,788 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-02 11:09:28,788 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-02-02 11:09:28,788 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-02 11:09:28,788 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-02 11:09:28,788 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-02 11:09:29,063 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-02 11:09:29,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 11:09:29 BoogieIcfgContainer [2018-02-02 11:09:29,064 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-02 11:09:29,064 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-02 11:09:29,064 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-02 11:09:29,067 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-02 11:09:29,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 11:09:28" (1/3) ... [2018-02-02 11:09:29,068 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@262b0ae9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 11:09:29, skipping insertion in model container [2018-02-02 11:09:29,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 11:09:28" (2/3) ... [2018-02-02 11:09:29,068 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@262b0ae9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 11:09:29, skipping insertion in model container [2018-02-02 11:09:29,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 11:09:29" (3/3) ... [2018-02-02 11:09:29,070 INFO L107 eAbstractionObserver]: Analyzing ICFG splice_true-unreach-call_false-valid-memtrack.i [2018-02-02 11:09:29,077 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-02 11:09:29,082 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 29 error locations. [2018-02-02 11:09:29,112 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-02 11:09:29,112 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-02 11:09:29,112 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-02-02 11:09:29,112 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-02 11:09:29,112 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-02 11:09:29,113 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-02 11:09:29,113 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-02 11:09:29,113 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-02 11:09:29,114 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-02 11:09:29,126 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states. [2018-02-02 11:09:29,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-02-02 11:09:29,132 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 11:09:29,132 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 11:09:29,132 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 11:09:29,135 INFO L82 PathProgramCache]: Analyzing trace with hash 26423453, 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 [2018-02-02 11:09:29,144 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 11:09:29,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 11:09:29,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 11:09:29,183 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 11:09:29,200 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 11:09:29,201 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-02 11:09:29,201 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 11:09:29,201 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 11:09:29,202 INFO L182 omatonBuilderFactory]: Interpolants [98#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 93#true, 94#false] [2018-02-02 11:09:29,202 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 11:09:29,202 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-02-02 11:09:29,209 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-02-02 11:09:29,210 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-02 11:09:29,211 INFO L87 Difference]: Start difference. First operand 90 states. Second operand 3 states. [2018-02-02 11:09:29,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 11:09:29,419 INFO L93 Difference]: Finished difference Result 90 states and 98 transitions. [2018-02-02 11:09:29,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-02-02 11:09:29,420 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-02-02 11:09:29,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 11:09:29,427 INFO L225 Difference]: With dead ends: 90 [2018-02-02 11:09:29,427 INFO L226 Difference]: Without dead ends: 82 [2018-02-02 11:09:29,428 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 11:09:29,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-02-02 11:09:29,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2018-02-02 11:09:29,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-02-02 11:09:29,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 88 transitions. [2018-02-02 11:09:29,455 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 88 transitions. Word has length 12 [2018-02-02 11:09:29,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 11:09:29,456 INFO L432 AbstractCegarLoop]: Abstraction has 82 states and 88 transitions. [2018-02-02 11:09:29,456 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-02-02 11:09:29,456 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 88 transitions. [2018-02-02 11:09:29,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-02-02 11:09:29,456 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 11:09:29,456 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 11:09:29,457 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 11:09:29,457 INFO L82 PathProgramCache]: Analyzing trace with hash -378065087, 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 [2018-02-02 11:09:29,460 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 11:09:29,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 11:09:29,472 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-02 11:09:29,475 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-02 11:09:29,475 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-02 11:09:29,476 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-02 11:09:29,476 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-02 11:09:29,590 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 [2018-02-02 11:09:29,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 11:09:29,612 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 11:09:29,629 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 11:09:29,629 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-02 11:09:29,629 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 11:09:29,629 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 11:09:29,630 INFO L182 omatonBuilderFactory]: Interpolants [272#false, 276#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)), 277#(= 1 (select |#valid| |main_#t~malloc0.base|)), 278#(= 1 (select |#valid| main_~a~0.base)), 279#(= 1 (select |#valid| main_~p~0.base)), 280#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 271#true] [2018-02-02 11:09:29,630 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 11:09:29,631 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-02 11:09:29,631 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-02 11:09:29,631 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=22, Unknown=1, NotChecked=8, Total=42 [2018-02-02 11:09:29,632 INFO L87 Difference]: Start difference. First operand 82 states and 88 transitions. Second operand 7 states. [2018-02-02 11:09:29,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 11:09:29,840 INFO L93 Difference]: Finished difference Result 91 states and 98 transitions. [2018-02-02 11:09:29,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-02 11:09:29,841 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2018-02-02 11:09:29,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 11:09:29,842 INFO L225 Difference]: With dead ends: 91 [2018-02-02 11:09:29,842 INFO L226 Difference]: Without dead ends: 91 [2018-02-02 11:09:29,843 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=50, Unknown=2, NotChecked=14, Total=90 [2018-02-02 11:09:29,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-02-02 11:09:29,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 85. [2018-02-02 11:09:29,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-02-02 11:09:29,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 97 transitions. [2018-02-02 11:09:29,848 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 97 transitions. Word has length 14 [2018-02-02 11:09:29,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 11:09:29,849 INFO L432 AbstractCegarLoop]: Abstraction has 85 states and 97 transitions. [2018-02-02 11:09:29,849 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-02 11:09:29,849 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 97 transitions. [2018-02-02 11:09:29,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-02-02 11:09:29,849 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 11:09:29,849 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 11:09:29,850 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 11:09:29,850 INFO L82 PathProgramCache]: Analyzing trace with hash -378065086, 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 [2018-02-02 11:09:29,853 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 11:09:29,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 11:09:29,879 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-02 11:09:29,880 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 90 column 276: Sort mismatch at argument #1 for function (declare-fun >= (Int Int) Bool) supplied sort is Bool 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) [2018-02-02 11:09:29,883 INFO L168 Benchmark]: Toolchain (without parser) took 1320.06 ms. Allocated memory was 404.8 MB in the beginning and 616.6 MB in the end (delta: 211.8 MB). Free memory was 361.4 MB in the beginning and 543.0 MB in the end (delta: -181.5 MB). Peak memory consumption was 30.3 MB. Max. memory is 5.3 GB. [2018-02-02 11:09:29,884 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 404.8 MB. Free memory is still 368.0 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-02 11:09:29,885 INFO L168 Benchmark]: CACSL2BoogieTranslator took 151.42 ms. Allocated memory is still 404.8 MB. Free memory was 361.4 MB in the beginning and 350.9 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. [2018-02-02 11:09:29,885 INFO L168 Benchmark]: Boogie Preprocessor took 30.16 ms. Allocated memory is still 404.8 MB. Free memory was 350.9 MB in the beginning and 348.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 5.3 GB. [2018-02-02 11:09:29,886 INFO L168 Benchmark]: RCFGBuilder took 317.59 ms. Allocated memory is still 404.8 MB. Free memory was 348.2 MB in the beginning and 320.0 MB in the end (delta: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 5.3 GB. [2018-02-02 11:09:29,886 INFO L168 Benchmark]: TraceAbstraction took 818.10 ms. Allocated memory was 404.8 MB in the beginning and 616.6 MB in the end (delta: 211.8 MB). Free memory was 320.0 MB in the beginning and 543.0 MB in the end (delta: -222.9 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-02-02 11:09:29,888 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 404.8 MB. Free memory is still 368.0 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 151.42 ms. Allocated memory is still 404.8 MB. Free memory was 361.4 MB in the beginning and 350.9 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 30.16 ms. Allocated memory is still 404.8 MB. Free memory was 350.9 MB in the beginning and 348.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 5.3 GB. * RCFGBuilder took 317.59 ms. Allocated memory is still 404.8 MB. Free memory was 348.2 MB in the beginning and 320.0 MB in the end (delta: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 5.3 GB. * TraceAbstraction took 818.10 ms. Allocated memory was 404.8 MB in the beginning and 616.6 MB in the end (delta: 211.8 MB). Free memory was 320.0 MB in the beginning and 543.0 MB in the end (delta: -222.9 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 90 column 276: Sort mismatch at argument #1 for function (declare-fun >= (Int Int) Bool) supplied sort is Bool de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 90 column 276: Sort mismatch at argument #1 for function (declare-fun >= (Int Int) Bool) supplied sort is Bool: 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/splice_true-unreach-call_false-valid-memtrack.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-02_11-09-29-896.csv Received shutdown request...