java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cav18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test22_2_false-valid-memtrack_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-26d9e06-m [2018-02-02 11:05:44,810 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-02 11:05:44,812 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-02 11:05:44,823 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-02 11:05:44,823 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-02 11:05:44,824 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-02 11:05:44,825 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-02 11:05:44,826 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-02 11:05:44,827 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-02 11:05:44,828 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-02 11:05:44,829 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-02 11:05:44,829 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-02 11:05:44,830 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-02 11:05:44,831 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-02 11:05:44,832 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-02 11:05:44,834 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-02 11:05:44,835 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-02 11:05:44,836 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-02 11:05:44,837 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-02 11:05:44,838 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-02 11:05:44,840 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-02-02 11:05:44,844 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-02 11:05:44,844 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-02 11:05:44,845 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cav18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf [2018-02-02 11:05:44,854 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-02 11:05:44,854 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-02 11:05:44,855 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-02 11:05:44,855 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-02 11:05:44,855 INFO L133 SettingsManager]: * Use SBE=true [2018-02-02 11:05:44,855 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-02 11:05:44,855 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-02 11:05:44,856 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-02 11:05:44,856 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-02 11:05:44,856 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-02 11:05:44,856 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-02 11:05:44,856 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-02 11:05:44,856 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-02 11:05:44,856 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-02 11:05:44,857 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-02 11:05:44,857 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-02 11:05:44,857 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-02 11:05:44,857 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-02 11:05:44,857 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-02 11:05:44,857 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-02 11:05:44,857 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-02 11:05:44,858 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-02 11:05:44,858 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-02-02 11:05:44,858 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-02-02 11:05:44,858 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-02 11:05:44,885 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-02 11:05:44,896 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-02 11:05:44,899 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-02 11:05:44,901 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-02 11:05:44,901 INFO L276 PluginConnector]: CDTParser initialized [2018-02-02 11:05:44,902 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test22_2_false-valid-memtrack_true-termination.i [2018-02-02 11:05:45,049 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-02 11:05:45,050 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-02 11:05:45,051 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-02 11:05:45,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-02 11:05:45,057 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-02 11:05:45,058 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 11:05:45" (1/1) ... [2018-02-02 11:05:45,060 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d135a4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 11:05:45, skipping insertion in model container [2018-02-02 11:05:45,060 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 11:05:45" (1/1) ... [2018-02-02 11:05:45,075 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 11:05:45,122 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 11:05:45,207 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 11:05:45,220 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 11:05:45,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 11:05:45 WrapperNode [2018-02-02 11:05:45,225 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-02 11:05:45,226 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-02 11:05:45,226 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-02 11:05:45,226 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-02 11:05:45,235 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 11:05:45" (1/1) ... [2018-02-02 11:05:45,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 11:05:45" (1/1) ... [2018-02-02 11:05:45,242 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 11:05:45" (1/1) ... [2018-02-02 11:05:45,243 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 11:05:45" (1/1) ... [2018-02-02 11:05:45,246 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 11:05:45" (1/1) ... [2018-02-02 11:05:45,249 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 11:05:45" (1/1) ... [2018-02-02 11:05:45,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 11:05:45" (1/1) ... [2018-02-02 11:05:45,251 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-02 11:05:45,252 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-02 11:05:45,252 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-02 11:05:45,252 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-02 11:05:45,252 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 11:05:45" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-02 11:05:45,288 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-02 11:05:45,288 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-02 11:05:45,288 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-02-02 11:05:45,288 INFO L136 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2018-02-02 11:05:45,288 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2018-02-02 11:05:45,289 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2018-02-02 11:05:45,289 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2018-02-02 11:05:45,289 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2018-02-02 11:05:45,289 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-02-02 11:05:45,289 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-02 11:05:45,289 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-02 11:05:45,289 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-02 11:05:45,289 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-02 11:05:45,290 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-02 11:05:45,290 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-02 11:05:45,290 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-02 11:05:45,290 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-02 11:05:45,290 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-02-02 11:05:45,290 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-02-02 11:05:45,290 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-02 11:05:45,290 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-02 11:05:45,291 INFO L128 BoogieDeclarations]: Found specification of procedure memset [2018-02-02 11:05:45,291 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-02-02 11:05:45,291 INFO L128 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2018-02-02 11:05:45,291 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2018-02-02 11:05:45,291 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2018-02-02 11:05:45,291 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2018-02-02 11:05:45,291 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2018-02-02 11:05:45,291 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-02-02 11:05:45,292 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-02 11:05:45,292 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-02 11:05:45,292 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-02 11:05:45,415 WARN L455 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-02-02 11:05:45,502 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-02 11:05:45,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 11:05:45 BoogieIcfgContainer [2018-02-02 11:05:45,503 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-02 11:05:45,503 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-02 11:05:45,503 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-02 11:05:45,505 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-02 11:05:45,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 11:05:45" (1/3) ... [2018-02-02 11:05:45,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c1d6a23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 11:05:45, skipping insertion in model container [2018-02-02 11:05:45,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 11:05:45" (2/3) ... [2018-02-02 11:05:45,507 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c1d6a23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 11:05:45, skipping insertion in model container [2018-02-02 11:05:45,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 11:05:45" (3/3) ... [2018-02-02 11:05:45,508 INFO L107 eAbstractionObserver]: Analyzing ICFG memleaks_test22_2_false-valid-memtrack_true-termination.i [2018-02-02 11:05:45,515 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-02 11:05:45,521 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2018-02-02 11:05:45,545 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-02 11:05:45,545 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-02 11:05:45,545 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-02-02 11:05:45,546 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-02 11:05:45,546 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-02 11:05:45,546 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-02 11:05:45,546 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-02 11:05:45,546 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-02 11:05:45,546 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-02 11:05:45,557 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states. [2018-02-02 11:05:45,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-02-02 11:05:45,567 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 11:05:45,568 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 11:05:45,568 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0RequiresViolation, ldv_kref_initErr1RequiresViolation, ldv_kobject_createErr0RequiresViolation, ldv_kobject_createErr1RequiresViolation, mainErr0EnsuresViolation, LDV_INIT_LIST_HEADErr1RequiresViolation, LDV_INIT_LIST_HEADErr3RequiresViolation, LDV_INIT_LIST_HEADErr2RequiresViolation, LDV_INIT_LIST_HEADErr0RequiresViolation]=== [2018-02-02 11:05:45,573 INFO L82 PathProgramCache]: Analyzing trace with hash 13572496, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-02 11:05:45,583 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 11:05:45,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 11:05:45,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 11:05:45,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 11:05:45,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 11:05:45,740 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 11:05:45,741 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-02-02 11:05:45,742 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 11:05:45,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 11:05:45,743 INFO L182 omatonBuilderFactory]: Interpolants [80#(and (= |#valid| |old(#valid)|) (= |old(#length)| |#length|)), 81#(and (= 0 |ldv_malloc_#res.offset|) (= 0 |ldv_malloc_#res.base|)), 68#true, 69#false, 77#(and (= 0 |ldv_kobject_create_#t~ret8.offset|) (= 0 |ldv_kobject_create_#t~ret8.base|)), 78#(and (= ldv_kobject_create_~kobj~0.offset 0) (= ldv_kobject_create_~kobj~0.base 0)), 79#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-02-02 11:05:45,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 11:05:45,744 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-02 11:05:45,756 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-02 11:05:45,757 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-02-02 11:05:45,759 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 7 states. [2018-02-02 11:05:46,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 11:05:46,173 INFO L93 Difference]: Finished difference Result 78 states and 82 transitions. [2018-02-02 11:05:46,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-02 11:05:46,175 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2018-02-02 11:05:46,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 11:05:46,185 INFO L225 Difference]: With dead ends: 78 [2018-02-02 11:05:46,186 INFO L226 Difference]: Without dead ends: 64 [2018-02-02 11:05:46,187 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-02-02 11:05:46,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-02-02 11:05:46,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 62. [2018-02-02 11:05:46,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-02-02 11:05:46,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 65 transitions. [2018-02-02 11:05:46,277 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 65 transitions. Word has length 17 [2018-02-02 11:05:46,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 11:05:46,277 INFO L432 AbstractCegarLoop]: Abstraction has 62 states and 65 transitions. [2018-02-02 11:05:46,277 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-02 11:05:46,277 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 65 transitions. [2018-02-02 11:05:46,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-02-02 11:05:46,278 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 11:05:46,278 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 11:05:46,278 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0RequiresViolation, ldv_kref_initErr1RequiresViolation, ldv_kobject_createErr0RequiresViolation, ldv_kobject_createErr1RequiresViolation, mainErr0EnsuresViolation, LDV_INIT_LIST_HEADErr1RequiresViolation, LDV_INIT_LIST_HEADErr3RequiresViolation, LDV_INIT_LIST_HEADErr2RequiresViolation, LDV_INIT_LIST_HEADErr0RequiresViolation]=== [2018-02-02 11:05:46,278 INFO L82 PathProgramCache]: Analyzing trace with hash 64872882, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-02 11:05:46,281 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 11:05:46,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 11:05:46,291 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-02 11:05:46,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 11:05:46,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 11:05:46,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 11:05:46,349 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 11:05:46,349 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-02-02 11:05:46,349 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 11:05:46,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 11:05:46,350 INFO L182 omatonBuilderFactory]: Interpolants [242#(= 1 (select |#valid| |ldv_kobject_create_#t~ret8.base|)), 243#(= 1 (select |#valid| ldv_kobject_create_~kobj~0.base)), 244#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 245#(and (= |#valid| |old(#valid)|) (= |old(#length)| |#length|)), 246#(= |#valid| |old(#valid)|), 231#true, 247#(= |#valid| (store |old(#valid)| |ldv_malloc_#t~malloc4.base| 1)), 232#false, 248#(= |#valid| (store |old(#valid)| |ldv_malloc_#res.base| 1))] [2018-02-02 11:05:46,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 11:05:46,351 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-02 11:05:46,351 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-02 11:05:46,351 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-02-02 11:05:46,351 INFO L87 Difference]: Start difference. First operand 62 states and 65 transitions. Second operand 9 states. [2018-02-02 11:05:46,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 11:05:46,605 INFO L93 Difference]: Finished difference Result 61 states and 64 transitions. [2018-02-02 11:05:46,605 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-02 11:05:46,605 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2018-02-02 11:05:46,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 11:05:46,606 INFO L225 Difference]: With dead ends: 61 [2018-02-02 11:05:46,606 INFO L226 Difference]: Without dead ends: 61 [2018-02-02 11:05:46,607 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-02-02 11:05:46,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-02-02 11:05:46,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2018-02-02 11:05:46,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-02-02 11:05:46,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 64 transitions. [2018-02-02 11:05:46,613 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 64 transitions. Word has length 19 [2018-02-02 11:05:46,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 11:05:46,613 INFO L432 AbstractCegarLoop]: Abstraction has 61 states and 64 transitions. [2018-02-02 11:05:46,613 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-02 11:05:46,613 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 64 transitions. [2018-02-02 11:05:46,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-02-02 11:05:46,614 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 11:05:46,614 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 11:05:46,614 INFO L371 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0RequiresViolation, ldv_kref_initErr1RequiresViolation, ldv_kobject_createErr0RequiresViolation, ldv_kobject_createErr1RequiresViolation, mainErr0EnsuresViolation, LDV_INIT_LIST_HEADErr1RequiresViolation, LDV_INIT_LIST_HEADErr3RequiresViolation, LDV_INIT_LIST_HEADErr2RequiresViolation, LDV_INIT_LIST_HEADErr0RequiresViolation]=== [2018-02-02 11:05:46,614 INFO L82 PathProgramCache]: Analyzing trace with hash 64872883, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-02 11:05:46,617 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 11:05:46,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 11:05:46,651 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-02 11:05:46,652 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 126 column 519: Sort mismatch at argument #1 for function (declare-fun >= (Int Int) Bool) supplied sort is Bool at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1420) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:206) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseInterpolants(Executor.java:255) at de.uni_freiburg.informatik.ultimate.smtsolver.external.ScriptorWithGetInterpolants.readInterpolants(ScriptorWithGetInterpolants.java:136) at de.uni_freiburg.informatik.ultimate.smtsolver.external.ScriptorWithGetInterpolants.getInterpolants(ScriptorWithGetInterpolants.java:64) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.DiffWrapperScript.getInterpolants(DiffWrapperScript.java:260) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:186) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:283) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:164) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:294) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:196) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:222) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.FixedTraceAbstractionRefinementStrategy.getTraceCheck(FixedTraceAbstractionRefinementStrategy.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:205) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:397) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:381) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:316) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:292) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:147) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:119) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-02-02 11:05:46,655 INFO L168 Benchmark]: Toolchain (without parser) took 1605.35 ms. Allocated memory was 398.5 MB in the beginning and 576.7 MB in the end (delta: 178.3 MB). Free memory was 355.1 MB in the beginning and 482.9 MB in the end (delta: -127.8 MB). Peak memory consumption was 50.5 MB. Max. memory is 5.3 GB. [2018-02-02 11:05:46,656 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 398.5 MB. Free memory is still 360.4 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-02 11:05:46,656 INFO L168 Benchmark]: CACSL2BoogieTranslator took 174.49 ms. Allocated memory is still 398.5 MB. Free memory was 355.1 MB in the beginning and 341.9 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 5.3 GB. [2018-02-02 11:05:46,656 INFO L168 Benchmark]: Boogie Preprocessor took 25.85 ms. Allocated memory is still 398.5 MB. Free memory was 341.9 MB in the beginning and 339.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-02-02 11:05:46,657 INFO L168 Benchmark]: RCFGBuilder took 251.03 ms. Allocated memory is still 398.5 MB. Free memory was 339.3 MB in the beginning and 316.8 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 5.3 GB. [2018-02-02 11:05:46,657 INFO L168 Benchmark]: TraceAbstraction took 1151.14 ms. Allocated memory was 398.5 MB in the beginning and 576.7 MB in the end (delta: 178.3 MB). Free memory was 316.8 MB in the beginning and 482.9 MB in the end (delta: -166.2 MB). Peak memory consumption was 12.1 MB. Max. memory is 5.3 GB. [2018-02-02 11:05:46,660 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 398.5 MB. Free memory is still 360.4 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 174.49 ms. Allocated memory is still 398.5 MB. Free memory was 355.1 MB in the beginning and 341.9 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 25.85 ms. Allocated memory is still 398.5 MB. Free memory was 341.9 MB in the beginning and 339.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 251.03 ms. Allocated memory is still 398.5 MB. Free memory was 339.3 MB in the beginning and 316.8 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1151.14 ms. Allocated memory was 398.5 MB in the beginning and 576.7 MB in the end (delta: 178.3 MB). Free memory was 316.8 MB in the beginning and 482.9 MB in the end (delta: -166.2 MB). Peak memory consumption was 12.1 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 126 column 519: 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 126 column 519: 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/memleaks_test22_2_false-valid-memtrack_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-02_11-05-46-668.csv Received shutdown request...