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/ldv-memsafety/ArraysOfVariableLength5_true-valid-memsafety.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c17473d-m [2018-02-04 20:39:58,437 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 20:39:58,438 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 20:39:58,447 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 20:39:58,447 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 20:39:58,448 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 20:39:58,449 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 20:39:58,451 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 20:39:58,453 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 20:39:58,453 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 20:39:58,454 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 20:39:58,454 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 20:39:58,455 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 20:39:58,456 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 20:39:58,457 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 20:39:58,459 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 20:39:58,460 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 20:39:58,462 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 20:39:58,463 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 20:39:58,464 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 20:39:58,465 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-04 20:39:58,466 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-04 20:39:58,466 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-04 20:39:58,467 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-04 20:39:58,467 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-04 20:39:58,468 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-04 20:39:58,469 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-04 20:39:58,469 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-04 20:39:58,469 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-04 20:39:58,469 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-04 20:39:58,470 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-04 20:39:58,470 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 20:39:58,479 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 20:39:58,480 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 20:39:58,481 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 20:39:58,481 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 20:39:58,481 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 20:39:58,481 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 20:39:58,481 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 20:39:58,481 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 20:39:58,481 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 20:39:58,482 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 20:39:58,482 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 20:39:58,482 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 20:39:58,482 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 20:39:58,482 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 20:39:58,482 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 20:39:58,482 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 20:39:58,482 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 20:39:58,482 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 20:39:58,482 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 20:39:58,483 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 20:39:58,483 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 20:39:58,483 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-02-04 20:39:58,483 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-02-04 20:39:58,483 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 20:39:58,508 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 20:39:58,516 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 20:39:58,519 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 20:39:58,520 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 20:39:58,520 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 20:39:58,521 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/ArraysOfVariableLength5_true-valid-memsafety.c [2018-02-04 20:39:58,596 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 20:39:58,597 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 20:39:58,597 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 20:39:58,597 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 20:39:58,601 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 20:39:58,602 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 08:39:58" (1/1) ... [2018-02-04 20:39:58,604 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54fffaf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:39:58, skipping insertion in model container [2018-02-04 20:39:58,604 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 08:39:58" (1/1) ... [2018-02-04 20:39:58,614 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 20:39:58,624 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 20:39:58,708 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 20:39:58,721 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 20:39:58,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:39:58 WrapperNode [2018-02-04 20:39:58,726 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 20:39:58,726 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 20:39:58,726 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 20:39:58,726 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 20:39:58,735 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:39:58" (1/1) ... [2018-02-04 20:39:58,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:39:58" (1/1) ... [2018-02-04 20:39:58,741 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:39:58" (1/1) ... [2018-02-04 20:39:58,742 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:39:58" (1/1) ... [2018-02-04 20:39:58,744 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:39:58" (1/1) ... [2018-02-04 20:39:58,746 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:39:58" (1/1) ... [2018-02-04 20:39:58,747 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:39:58" (1/1) ... [2018-02-04 20:39:58,749 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 20:39:58,749 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 20:39:58,749 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 20:39:58,749 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 20:39:58,750 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:39:58" (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 20:39:58,786 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 20:39:58,786 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 20:39:58,786 INFO L136 BoogieDeclarations]: Found implementation of procedure foo [2018-02-04 20:39:58,786 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 20:39:58,787 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-04 20:39:58,787 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-04 20:39:58,787 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 20:39:58,787 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 20:39:58,787 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 20:39:58,787 INFO L128 BoogieDeclarations]: Found specification of procedure foo [2018-02-04 20:39:58,787 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 20:39:58,787 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 20:39:58,788 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 20:39:58,916 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 20:39:58,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 08:39:58 BoogieIcfgContainer [2018-02-04 20:39:58,916 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 20:39:58,917 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 20:39:58,917 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 20:39:58,919 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 20:39:58,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 08:39:58" (1/3) ... [2018-02-04 20:39:58,919 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@638f6261 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 08:39:58, skipping insertion in model container [2018-02-04 20:39:58,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:39:58" (2/3) ... [2018-02-04 20:39:58,920 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@638f6261 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 08:39:58, skipping insertion in model container [2018-02-04 20:39:58,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 08:39:58" (3/3) ... [2018-02-04 20:39:58,921 INFO L107 eAbstractionObserver]: Analyzing ICFG ArraysOfVariableLength5_true-valid-memsafety.c [2018-02-04 20:39:58,926 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-04 20:39:58,931 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2018-02-04 20:39:58,968 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 20:39:58,968 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 20:39:58,968 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-02-04 20:39:58,968 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-04 20:39:58,968 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 20:39:58,969 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 20:39:58,969 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 20:39:58,969 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 20:39:58,969 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 20:39:58,979 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2018-02-04 20:39:58,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-02-04 20:39:58,986 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:39:58,987 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:39:58,987 INFO L371 AbstractCegarLoop]: === Iteration 1 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 20:39:58,991 INFO L82 PathProgramCache]: Analyzing trace with hash -215054890, 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 20:39:59,001 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:39:59,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:39:59,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:39:59,073 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 20:39:59,092 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:39:59,093 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 20:39:59,093 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:39:59,094 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 20:39:59,094 INFO L182 omatonBuilderFactory]: Interpolants [49#true, 50#false, 54#(and (< main_~i~1 32) (<= 0 main_~i~1)), 55#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-02-04 20:39:59,094 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 20:39:59,095 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 20:39:59,105 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 20:39:59,106 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 20:39:59,108 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 4 states. [2018-02-04 20:39:59,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:39:59,269 INFO L93 Difference]: Finished difference Result 55 states and 58 transitions. [2018-02-04 20:39:59,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 20:39:59,271 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2018-02-04 20:39:59,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:39:59,285 INFO L225 Difference]: With dead ends: 55 [2018-02-04 20:39:59,285 INFO L226 Difference]: Without dead ends: 51 [2018-02-04 20:39:59,287 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 20:39:59,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-02-04 20:39:59,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 49. [2018-02-04 20:39:59,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-02-04 20:39:59,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 52 transitions. [2018-02-04 20:39:59,321 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 52 transitions. Word has length 11 [2018-02-04 20:39:59,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:39:59,322 INFO L432 AbstractCegarLoop]: Abstraction has 49 states and 52 transitions. [2018-02-04 20:39:59,322 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 20:39:59,322 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 52 transitions. [2018-02-04 20:39:59,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-02-04 20:39:59,323 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:39:59,323 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:39:59,323 INFO L371 AbstractCegarLoop]: === Iteration 2 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 20:39:59,323 INFO L82 PathProgramCache]: Analyzing trace with hash 1100032001, 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 20:39:59,327 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:39:59,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:39:59,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:39:59,366 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 20:39:59,390 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:39:59,390 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 20:39:59,391 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:39:59,391 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 20:39:59,391 INFO L182 omatonBuilderFactory]: Interpolants [162#true, 163#false, 167#(and (< foo_~i~0 32) (<= 0 foo_~i~0)), 168#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-02-04 20:39:59,391 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 20:39:59,393 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 20:39:59,393 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 20:39:59,393 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 20:39:59,394 INFO L87 Difference]: Start difference. First operand 49 states and 52 transitions. Second operand 4 states. [2018-02-04 20:39:59,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:39:59,495 INFO L93 Difference]: Finished difference Result 55 states and 59 transitions. [2018-02-04 20:39:59,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-04 20:39:59,495 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2018-02-04 20:39:59,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:39:59,497 INFO L225 Difference]: With dead ends: 55 [2018-02-04 20:39:59,498 INFO L226 Difference]: Without dead ends: 55 [2018-02-04 20:39:59,498 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 20:39:59,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-02-04 20:39:59,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 52. [2018-02-04 20:39:59,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-02-04 20:39:59,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 56 transitions. [2018-02-04 20:39:59,503 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 56 transitions. Word has length 16 [2018-02-04 20:39:59,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:39:59,504 INFO L432 AbstractCegarLoop]: Abstraction has 52 states and 56 transitions. [2018-02-04 20:39:59,504 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 20:39:59,504 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions. [2018-02-04 20:39:59,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-02-04 20:39:59,504 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:39:59,504 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:39:59,505 INFO L371 AbstractCegarLoop]: === Iteration 3 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 20:39:59,505 INFO L82 PathProgramCache]: Analyzing trace with hash -258746290, 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 20:39:59,507 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:39:59,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:39:59,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:39:59,560 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 20:39:59,576 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:39:59,576 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-04 20:39:59,577 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:39:59,577 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 20:39:59,577 INFO L182 omatonBuilderFactory]: Interpolants [278#true, 279#false, 283#(= 0 main_~i~1), 284#(= 0 |foo_#in~size|), 285#(<= foo_~size foo_~i~0), 286#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-02-04 20:39:59,577 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 20:39:59,577 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 20:39:59,578 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 20:39:59,578 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-04 20:39:59,578 INFO L87 Difference]: Start difference. First operand 52 states and 56 transitions. Second operand 6 states. [2018-02-04 20:39:59,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:39:59,743 INFO L93 Difference]: Finished difference Result 68 states and 72 transitions. [2018-02-04 20:39:59,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 20:39:59,744 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2018-02-04 20:39:59,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:39:59,745 INFO L225 Difference]: With dead ends: 68 [2018-02-04 20:39:59,745 INFO L226 Difference]: Without dead ends: 68 [2018-02-04 20:39:59,745 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-02-04 20:39:59,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-02-04 20:39:59,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 59. [2018-02-04 20:39:59,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-02-04 20:39:59,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 63 transitions. [2018-02-04 20:39:59,752 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 63 transitions. Word has length 17 [2018-02-04 20:39:59,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:39:59,753 INFO L432 AbstractCegarLoop]: Abstraction has 59 states and 63 transitions. [2018-02-04 20:39:59,753 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 20:39:59,753 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 63 transitions. [2018-02-04 20:39:59,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-02-04 20:39:59,753 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:39:59,754 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:39:59,754 INFO L371 AbstractCegarLoop]: === Iteration 4 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 20:39:59,754 INFO L82 PathProgramCache]: Analyzing trace with hash 1974903447, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 20:39:59,760 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:39:59,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:39:59,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:39:59,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:39:59,798 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:39:59,815 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 20:39:59,815 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2018-02-04 20:39:59,816 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:39:59,816 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 20:39:59,816 INFO L182 omatonBuilderFactory]: Interpolants [432#(and (< main_~i~1 32) (<= 0 main_~i~1)), 433#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 420#true, 421#false, 425#(= 0 main_~i~1)] [2018-02-04 20:39:59,816 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:39:59,816 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 20:39:59,816 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 20:39:59,817 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-02-04 20:39:59,817 INFO L87 Difference]: Start difference. First operand 59 states and 63 transitions. Second operand 5 states. [2018-02-04 20:39:59,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:39:59,937 INFO L93 Difference]: Finished difference Result 76 states and 79 transitions. [2018-02-04 20:39:59,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 20:39:59,938 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-02-04 20:39:59,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:39:59,939 INFO L225 Difference]: With dead ends: 76 [2018-02-04 20:39:59,939 INFO L226 Difference]: Without dead ends: 76 [2018-02-04 20:39:59,940 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-02-04 20:39:59,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-02-04 20:39:59,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 69. [2018-02-04 20:39:59,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-02-04 20:39:59,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 74 transitions. [2018-02-04 20:39:59,945 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 74 transitions. Word has length 23 [2018-02-04 20:39:59,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:39:59,945 INFO L432 AbstractCegarLoop]: Abstraction has 69 states and 74 transitions. [2018-02-04 20:39:59,945 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 20:39:59,945 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 74 transitions. [2018-02-04 20:39:59,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-02-04 20:39:59,946 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:39:59,946 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:39:59,946 INFO L371 AbstractCegarLoop]: === Iteration 5 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 20:39:59,946 INFO L82 PathProgramCache]: Analyzing trace with hash 2099880015, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 20:39:59,950 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:39:59,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:39:59,990 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 20:39:59,991 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 112 column 526: 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:298) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:200) 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 20:39:59,993 INFO L168 Benchmark]: Toolchain (without parser) took 1397.13 ms. Allocated memory was 396.9 MB in the beginning and 427.8 MB in the end (delta: 30.9 MB). Free memory was 354.8 MB in the beginning and 347.1 MB in the end (delta: 7.7 MB). Peak memory consumption was 38.6 MB. Max. memory is 5.3 GB. [2018-02-04 20:39:59,995 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 396.9 MB. Free memory is still 360.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 20:39:59,995 INFO L168 Benchmark]: CACSL2BoogieTranslator took 128.64 ms. Allocated memory is still 396.9 MB. Free memory was 354.8 MB in the beginning and 346.9 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 5.3 GB. [2018-02-04 20:39:59,996 INFO L168 Benchmark]: Boogie Preprocessor took 22.74 ms. Allocated memory is still 396.9 MB. Free memory was 346.9 MB in the beginning and 344.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-02-04 20:39:59,996 INFO L168 Benchmark]: RCFGBuilder took 166.96 ms. Allocated memory is still 396.9 MB. Free memory was 344.2 MB in the beginning and 326.8 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 5.3 GB. [2018-02-04 20:39:59,996 INFO L168 Benchmark]: TraceAbstraction took 1076.27 ms. Allocated memory was 396.9 MB in the beginning and 427.8 MB in the end (delta: 30.9 MB). Free memory was 326.8 MB in the beginning and 347.1 MB in the end (delta: -20.4 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. [2018-02-04 20:39:59,999 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 396.9 MB. Free memory is still 360.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 128.64 ms. Allocated memory is still 396.9 MB. Free memory was 354.8 MB in the beginning and 346.9 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 22.74 ms. Allocated memory is still 396.9 MB. Free memory was 346.9 MB in the beginning and 344.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 166.96 ms. Allocated memory is still 396.9 MB. Free memory was 344.2 MB in the beginning and 326.8 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1076.27 ms. Allocated memory was 396.9 MB in the beginning and 427.8 MB in the end (delta: 30.9 MB). Free memory was 326.8 MB in the beginning and 347.1 MB in the end (delta: -20.4 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 112 column 526: Sort mismatch at argument #1 for function (declare-fun >= (Int Int) Bool) supplied sort is Bool de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 112 column 526: Sort mismatch at argument #1 for function (declare-fun >= (Int Int) Bool) supplied sort is Bool: de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$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/ArraysOfVariableLength5_true-valid-memsafety.c_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_20-40-00-007.csv Received shutdown request...