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/memleaks_test7_false-valid-memtrack_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ccafca9-m [2018-02-04 04:51:17,229 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 04:51:17,231 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 04:51:17,243 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 04:51:17,243 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 04:51:17,244 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 04:51:17,245 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 04:51:17,246 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 04:51:17,248 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 04:51:17,248 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 04:51:17,249 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 04:51:17,249 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 04:51:17,250 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 04:51:17,251 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 04:51:17,252 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 04:51:17,253 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 04:51:17,255 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 04:51:17,256 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 04:51:17,257 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 04:51:17,258 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 04:51:17,260 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-04 04:51:17,260 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-04 04:51:17,260 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-04 04:51:17,261 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-04 04:51:17,262 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-04 04:51:17,263 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-04 04:51:17,263 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-04 04:51:17,264 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-04 04:51:17,264 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-04 04:51:17,264 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-04 04:51:17,264 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-04 04:51:17,264 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 04:51:17,274 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 04:51:17,274 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 04:51:17,275 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 04:51:17,275 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 04:51:17,275 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 04:51:17,275 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 04:51:17,275 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 04:51:17,275 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 04:51:17,275 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 04:51:17,276 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 04:51:17,276 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 04:51:17,276 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 04:51:17,276 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 04:51:17,276 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-04 04:51:17,276 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 04:51:17,276 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 04:51:17,276 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 04:51:17,276 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 04:51:17,276 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 04:51:17,277 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 04:51:17,277 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 04:51:17,277 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 04:51:17,277 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-02-04 04:51:17,277 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-02-04 04:51:17,277 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:51:17,306 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 04:51:17,314 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 04:51:17,317 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 04:51:17,318 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 04:51:17,318 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 04:51:17,319 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test7_false-valid-memtrack_true-termination.i [2018-02-04 04:51:17,444 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 04:51:17,445 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 04:51:17,446 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 04:51:17,446 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 04:51:17,450 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 04:51:17,450 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:51:17" (1/1) ... [2018-02-04 04:51:17,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f13972f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:51:17, skipping insertion in model container [2018-02-04 04:51:17,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:51:17" (1/1) ... [2018-02-04 04:51:17,462 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 04:51:17,496 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 04:51:17,583 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 04:51:17,599 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 04:51:17,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:51:17 WrapperNode [2018-02-04 04:51:17,606 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 04:51:17,606 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 04:51:17,607 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 04:51:17,607 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 04:51:17,617 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:51:17" (1/1) ... [2018-02-04 04:51:17,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:51:17" (1/1) ... [2018-02-04 04:51:17,624 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:51:17" (1/1) ... [2018-02-04 04:51:17,625 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:51:17" (1/1) ... [2018-02-04 04:51:17,628 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:51:17" (1/1) ... [2018-02-04 04:51:17,630 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:51:17" (1/1) ... [2018-02-04 04:51:17,631 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:51:17" (1/1) ... [2018-02-04 04:51:17,632 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 04:51:17,632 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 04:51:17,633 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 04:51:17,633 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 04:51:17,633 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:51:17" (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 04:51:17,668 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 04:51:17,668 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 04:51:17,668 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-02-04 04:51:17,668 INFO L136 BoogieDeclarations]: Found implementation of procedure f6 [2018-02-04 04:51:17,668 INFO L136 BoogieDeclarations]: Found implementation of procedure g6 [2018-02-04 04:51:17,668 INFO L136 BoogieDeclarations]: Found implementation of procedure probe1_6 [2018-02-04 04:51:17,669 INFO L136 BoogieDeclarations]: Found implementation of procedure disconnect_2_6 [2018-02-04 04:51:17,669 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-02-04 04:51:17,669 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 04:51:17,669 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-04 04:51:17,669 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-04 04:51:17,669 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 04:51:17,669 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 04:51:17,669 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 04:51:17,669 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-04 04:51:17,670 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-04 04:51:17,670 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-04 04:51:17,670 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-02-04 04:51:17,670 INFO L128 BoogieDeclarations]: Found specification of procedure f6 [2018-02-04 04:51:17,670 INFO L128 BoogieDeclarations]: Found specification of procedure g6 [2018-02-04 04:51:17,670 INFO L128 BoogieDeclarations]: Found specification of procedure probe1_6 [2018-02-04 04:51:17,670 INFO L128 BoogieDeclarations]: Found specification of procedure disconnect_2_6 [2018-02-04 04:51:17,670 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-02-04 04:51:17,670 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 04:51:17,671 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 04:51:17,671 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 04:51:17,826 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 04:51:17,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:51:17 BoogieIcfgContainer [2018-02-04 04:51:17,826 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 04:51:17,827 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 04:51:17,827 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 04:51:17,829 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 04:51:17,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 04:51:17" (1/3) ... [2018-02-04 04:51:17,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6091c8bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:51:17, skipping insertion in model container [2018-02-04 04:51:17,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:51:17" (2/3) ... [2018-02-04 04:51:17,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6091c8bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:51:17, skipping insertion in model container [2018-02-04 04:51:17,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:51:17" (3/3) ... [2018-02-04 04:51:17,831 INFO L107 eAbstractionObserver]: Analyzing ICFG memleaks_test7_false-valid-memtrack_true-termination.i [2018-02-04 04:51:17,837 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-04 04:51:17,841 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2018-02-04 04:51:17,872 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 04:51:17,873 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 04:51:17,873 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-02-04 04:51:17,873 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-04 04:51:17,873 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 04:51:17,873 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 04:51:17,873 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 04:51:17,873 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 04:51:17,874 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 04:51:17,883 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2018-02-04 04:51:17,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-02-04 04:51:17,892 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:51:17,893 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] [2018-02-04 04:51:17,893 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation, probe1_6Err1RequiresViolation, probe1_6Err2RequiresViolation, probe1_6Err3RequiresViolation, probe1_6Err0RequiresViolation]=== [2018-02-04 04:51:17,896 INFO L82 PathProgramCache]: Analyzing trace with hash 2071706780, 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 04:51:17,907 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:51:17,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:51:17,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:51:18,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:51:18,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:51:18,014 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 04:51:18,032 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:51:18,032 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-04 04:51:18,032 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:51:18,033 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 04:51:18,033 INFO L182 omatonBuilderFactory]: Interpolants [67#(= 0 |probe1_6_#t~ret4.offset|), 68#(= 0 probe1_6_~p~0.offset), 72#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 73#(and (= |#valid| |old(#valid)|) (= |old(#length)| |#length|)), 58#true, 74#(= 0 |ldv_malloc_#res.offset|), 59#false] [2018-02-04 04:51:18,033 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 04:51:18,034 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-04 04:51:18,041 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-04 04:51:18,042 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-02-04 04:51:18,043 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 7 states. [2018-02-04 04:51:18,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:51:18,352 INFO L93 Difference]: Finished difference Result 75 states and 84 transitions. [2018-02-04 04:51:18,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-04 04:51:18,353 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2018-02-04 04:51:18,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:51:18,359 INFO L225 Difference]: With dead ends: 75 [2018-02-04 04:51:18,359 INFO L226 Difference]: Without dead ends: 72 [2018-02-04 04:51:18,360 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-02-04 04:51:18,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-02-04 04:51:18,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 63. [2018-02-04 04:51:18,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-02-04 04:51:18,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 73 transitions. [2018-02-04 04:51:18,436 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 73 transitions. Word has length 23 [2018-02-04 04:51:18,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:51:18,437 INFO L432 AbstractCegarLoop]: Abstraction has 63 states and 73 transitions. [2018-02-04 04:51:18,438 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-04 04:51:18,438 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 73 transitions. [2018-02-04 04:51:18,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-02-04 04:51:18,439 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:51:18,440 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] [2018-02-04 04:51:18,440 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr0EnsuresViolation, probe1_6Err1RequiresViolation, probe1_6Err2RequiresViolation, probe1_6Err3RequiresViolation, probe1_6Err0RequiresViolation]=== [2018-02-04 04:51:18,440 INFO L82 PathProgramCache]: Analyzing trace with hash 2071706781, 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 04:51:18,444 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:51:18,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:51:18,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:51:18,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:51:18,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:51:18,490 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 04:51:18,506 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:51:18,506 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-04 04:51:18,506 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:51:18,507 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 04:51:18,507 INFO L182 omatonBuilderFactory]: Interpolants [231#(= 0 |probe1_6_#t~ret4.base|), 232#(= 0 probe1_6_~p~0.base), 236#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 237#(and (= |#valid| |old(#valid)|) (= |old(#length)| |#length|)), 222#true, 238#(= 0 |ldv_malloc_#res.base|), 223#false] [2018-02-04 04:51:18,507 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 04:51:18,508 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-04 04:51:18,509 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-04 04:51:18,509 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-02-04 04:51:18,509 INFO L87 Difference]: Start difference. First operand 63 states and 73 transitions. Second operand 7 states. [2018-02-04 04:51:18,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:51:18,702 INFO L93 Difference]: Finished difference Result 72 states and 81 transitions. [2018-02-04 04:51:18,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 04:51:18,703 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2018-02-04 04:51:18,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:51:18,704 INFO L225 Difference]: With dead ends: 72 [2018-02-04 04:51:18,704 INFO L226 Difference]: Without dead ends: 72 [2018-02-04 04:51:18,705 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-02-04 04:51:18,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-02-04 04:51:18,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 63. [2018-02-04 04:51:18,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-02-04 04:51:18,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 72 transitions. [2018-02-04 04:51:18,710 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 72 transitions. Word has length 23 [2018-02-04 04:51:18,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:51:18,711 INFO L432 AbstractCegarLoop]: Abstraction has 63 states and 72 transitions. [2018-02-04 04:51:18,711 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-04 04:51:18,711 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 72 transitions. [2018-02-04 04:51:18,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-02-04 04:51:18,712 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:51:18,712 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 04:51:18,712 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr0EnsuresViolation, probe1_6Err1RequiresViolation, probe1_6Err2RequiresViolation, probe1_6Err3RequiresViolation, probe1_6Err0RequiresViolation]=== [2018-02-04 04:51:18,712 INFO L82 PathProgramCache]: Analyzing trace with hash -776458562, 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 04:51:18,715 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:51:18,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:51:18,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:51:18,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:51:18,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:51:18,772 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 04:51:18,788 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:51:18,788 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-02-04 04:51:18,788 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:51:18,788 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 04:51:18,789 INFO L182 omatonBuilderFactory]: Interpolants [384#false, 400#(and (= |#valid| |old(#valid)|) (= |old(#length)| |#length|)), 401#(= 0 |ldv_malloc_#t~malloc1.offset|), 402#(= 0 |ldv_malloc_#res.offset|), 394#(= 0 |probe1_6_#t~ret4.offset|), 395#(= 0 probe1_6_~p~0.offset), 383#true, 399#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-02-04 04:51:18,789 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 04:51:18,789 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-02-04 04:51:18,789 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-02-04 04:51:18,789 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-02-04 04:51:18,789 INFO L87 Difference]: Start difference. First operand 63 states and 72 transitions. Second operand 8 states. [2018-02-04 04:51:18,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:51:18,936 INFO L93 Difference]: Finished difference Result 68 states and 77 transitions. [2018-02-04 04:51:18,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-02-04 04:51:18,936 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2018-02-04 04:51:18,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:51:18,937 INFO L225 Difference]: With dead ends: 68 [2018-02-04 04:51:18,937 INFO L226 Difference]: Without dead ends: 68 [2018-02-04 04:51:18,938 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2018-02-04 04:51:18,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-02-04 04:51:18,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 62. [2018-02-04 04:51:18,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-02-04 04:51:18,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 71 transitions. [2018-02-04 04:51:18,943 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 71 transitions. Word has length 25 [2018-02-04 04:51:18,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:51:18,943 INFO L432 AbstractCegarLoop]: Abstraction has 62 states and 71 transitions. [2018-02-04 04:51:18,943 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-02-04 04:51:18,943 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 71 transitions. [2018-02-04 04:51:18,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-02-04 04:51:18,944 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:51:18,944 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 04:51:18,945 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr0EnsuresViolation, probe1_6Err1RequiresViolation, probe1_6Err2RequiresViolation, probe1_6Err3RequiresViolation, probe1_6Err0RequiresViolation]=== [2018-02-04 04:51:18,945 INFO L82 PathProgramCache]: Analyzing trace with hash -776458561, 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 04:51:18,952 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:51:18,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:51:18,964 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 04:51:18,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:51:18,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:51:19,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:51:19,018 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 04:51:19,034 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:51:19,034 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-02-04 04:51:19,034 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:51:19,034 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 04:51:19,034 INFO L182 omatonBuilderFactory]: Interpolants [544#true, 560#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 545#false, 561#(and (= |#valid| |old(#valid)|) (= |old(#length)| |#length|)), 562#(= |#valid| |old(#valid)|), 563#(= |#valid| (store |old(#valid)| |ldv_malloc_#t~malloc1.base| 1)), 564#(= |#valid| (store |old(#valid)| |ldv_malloc_#res.base| 1)), 555#(= 1 (select |#valid| |probe1_6_#t~ret4.base|)), 556#(= 1 (select |#valid| probe1_6_~p~0.base))] [2018-02-04 04:51:19,034 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 04:51:19,035 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-04 04:51:19,035 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-04 04:51:19,035 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-02-04 04:51:19,035 INFO L87 Difference]: Start difference. First operand 62 states and 71 transitions. Second operand 9 states. [2018-02-04 04:51:19,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:51:19,241 INFO L93 Difference]: Finished difference Result 69 states and 78 transitions. [2018-02-04 04:51:19,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 04:51:19,241 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2018-02-04 04:51:19,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:51:19,242 INFO L225 Difference]: With dead ends: 69 [2018-02-04 04:51:19,242 INFO L226 Difference]: Without dead ends: 69 [2018-02-04 04:51:19,243 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-02-04 04:51:19,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-02-04 04:51:19,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 50. [2018-02-04 04:51:19,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-02-04 04:51:19,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2018-02-04 04:51:19,247 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 25 [2018-02-04 04:51:19,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:51:19,247 INFO L432 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2018-02-04 04:51:19,247 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-04 04:51:19,248 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2018-02-04 04:51:19,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-02-04 04:51:19,248 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:51:19,248 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 04:51:19,248 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr0EnsuresViolation, probe1_6Err1RequiresViolation, probe1_6Err2RequiresViolation, probe1_6Err3RequiresViolation, probe1_6Err0RequiresViolation]=== [2018-02-04 04:51:19,249 INFO L82 PathProgramCache]: Analyzing trace with hash -1521421354, 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 04:51:19,252 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:51:19,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:51:19,267 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier WARNING: array quantifier [2018-02-04 04:51:19,269 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Undeclared function symbol (array-ext (Array Int Int) (Array Int Int)) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:321) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.createTerm(Parser.java:802) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1304) 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 04:51:19,272 INFO L168 Benchmark]: Toolchain (without parser) took 1826.84 ms. Allocated memory was 405.3 MB in the beginning and 627.6 MB in the end (delta: 222.3 MB). Free memory was 359.3 MB in the beginning and 583.7 MB in the end (delta: -224.4 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 04:51:19,273 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 405.3 MB. Free memory is still 365.9 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 04:51:19,273 INFO L168 Benchmark]: CACSL2BoogieTranslator took 160.42 ms. Allocated memory is still 405.3 MB. Free memory was 359.3 MB in the beginning and 346.1 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 5.3 GB. [2018-02-04 04:51:19,274 INFO L168 Benchmark]: Boogie Preprocessor took 25.75 ms. Allocated memory is still 405.3 MB. Free memory was 346.1 MB in the beginning and 344.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. [2018-02-04 04:51:19,274 INFO L168 Benchmark]: RCFGBuilder took 193.55 ms. Allocated memory is still 405.3 MB. Free memory was 344.7 MB in the beginning and 324.9 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 5.3 GB. [2018-02-04 04:51:19,275 INFO L168 Benchmark]: TraceAbstraction took 1444.51 ms. Allocated memory was 405.3 MB in the beginning and 627.6 MB in the end (delta: 222.3 MB). Free memory was 324.9 MB in the beginning and 583.7 MB in the end (delta: -258.8 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 04:51:19,277 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 405.3 MB. Free memory is still 365.9 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 160.42 ms. Allocated memory is still 405.3 MB. Free memory was 359.3 MB in the beginning and 346.1 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 25.75 ms. Allocated memory is still 405.3 MB. Free memory was 346.1 MB in the beginning and 344.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 193.55 ms. Allocated memory is still 405.3 MB. Free memory was 344.7 MB in the beginning and 324.9 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1444.51 ms. Allocated memory was 405.3 MB in the beginning and 627.6 MB in the end (delta: 222.3 MB). Free memory was 324.9 MB in the beginning and 583.7 MB in the end (delta: -258.8 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Undeclared function symbol (array-ext (Array Int Int) (Array Int Int)) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Undeclared function symbol (array-ext (Array Int Int) (Array Int Int)): de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:321) 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/memleaks_test7_false-valid-memtrack_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_04-51-19-284.csv Received shutdown request...