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_test17_2_false-valid-free.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ccafca9-m [2018-02-04 04:46:00,234 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 04:46:00,235 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 04:46:00,248 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 04:46:00,248 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 04:46:00,249 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 04:46:00,249 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 04:46:00,251 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 04:46:00,252 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 04:46:00,253 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 04:46:00,254 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 04:46:00,254 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 04:46:00,255 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 04:46:00,256 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 04:46:00,256 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 04:46:00,258 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 04:46:00,260 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 04:46:00,261 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 04:46:00,262 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 04:46:00,263 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 04:46:00,264 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-02-04 04:46:00,268 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-04 04:46:00,268 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-04 04:46:00,269 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 04:46:00,277 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 04:46:00,277 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 04:46:00,278 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 04:46:00,278 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 04:46:00,279 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 04:46:00,279 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 04:46:00,279 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 04:46:00,279 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 04:46:00,279 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 04:46:00,279 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 04:46:00,280 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 04:46:00,280 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 04:46:00,280 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 04:46:00,280 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-04 04:46:00,280 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 04:46:00,280 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 04:46:00,281 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 04:46:00,281 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 04:46:00,281 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 04:46:00,281 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 04:46:00,281 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 04:46:00,281 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 04:46:00,281 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-02-04 04:46:00,281 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-02-04 04:46:00,282 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:46:00,317 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 04:46:00,325 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 04:46:00,327 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 04:46:00,328 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 04:46:00,328 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 04:46:00,329 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test17_2_false-valid-free.i [2018-02-04 04:46:00,456 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 04:46:00,457 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 04:46:00,458 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 04:46:00,458 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 04:46:00,462 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 04:46:00,462 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:46:00" (1/1) ... [2018-02-04 04:46:00,464 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9f4e9ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:46:00, skipping insertion in model container [2018-02-04 04:46:00,464 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:46:00" (1/1) ... [2018-02-04 04:46:00,474 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 04:46:00,507 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 04:46:00,597 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 04:46:00,611 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 04:46:00,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:46:00 WrapperNode [2018-02-04 04:46:00,617 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 04:46:00,618 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 04:46:00,618 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 04:46:00,618 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 04:46:00,628 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:46:00" (1/1) ... [2018-02-04 04:46:00,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:46:00" (1/1) ... [2018-02-04 04:46:00,635 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:46:00" (1/1) ... [2018-02-04 04:46:00,635 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:46:00" (1/1) ... [2018-02-04 04:46:00,639 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:46:00" (1/1) ... [2018-02-04 04:46:00,641 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:46:00" (1/1) ... [2018-02-04 04:46:00,642 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:46:00" (1/1) ... [2018-02-04 04:46:00,644 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 04:46:00,645 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 04:46:00,645 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 04:46:00,645 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 04:46:00,646 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:46:00" (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 04:46:00,688 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 04:46:00,689 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 04:46:00,689 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-02-04 04:46:00,689 INFO L136 BoogieDeclarations]: Found implementation of procedure alloc_unsafe_17 [2018-02-04 04:46:00,689 INFO L136 BoogieDeclarations]: Found implementation of procedure free_17 [2018-02-04 04:46:00,689 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-02-04 04:46:00,689 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 04:46:00,689 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-04 04:46:00,689 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-04 04:46:00,690 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 04:46:00,690 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 04:46:00,690 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 04:46:00,690 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-04 04:46:00,690 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-04 04:46:00,690 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-04 04:46:00,690 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-02-04 04:46:00,690 INFO L128 BoogieDeclarations]: Found specification of procedure alloc_unsafe_17 [2018-02-04 04:46:00,691 INFO L128 BoogieDeclarations]: Found specification of procedure free_17 [2018-02-04 04:46:00,691 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-02-04 04:46:00,691 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 04:46:00,691 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 04:46:00,691 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 04:46:00,881 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 04:46:00,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:46:00 BoogieIcfgContainer [2018-02-04 04:46:00,882 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 04:46:00,882 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 04:46:00,882 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 04:46:00,884 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 04:46:00,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 04:46:00" (1/3) ... [2018-02-04 04:46:00,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29017317 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:46:00, skipping insertion in model container [2018-02-04 04:46:00,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:46:00" (2/3) ... [2018-02-04 04:46:00,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29017317 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:46:00, skipping insertion in model container [2018-02-04 04:46:00,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:46:00" (3/3) ... [2018-02-04 04:46:00,887 INFO L107 eAbstractionObserver]: Analyzing ICFG memleaks_test17_2_false-valid-free.i [2018-02-04 04:46:00,893 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-04 04:46:00,897 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-02-04 04:46:00,929 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 04:46:00,929 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 04:46:00,930 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-02-04 04:46:00,930 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-04 04:46:00,930 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 04:46:00,930 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 04:46:00,930 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 04:46:00,930 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 04:46:00,931 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 04:46:00,943 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states. [2018-02-04 04:46:00,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-02-04 04:46:00,951 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:46:00,952 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 04:46:00,952 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation, free_17Err3RequiresViolation, free_17Err1RequiresViolation, free_17Err2RequiresViolation, free_17Err0RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr3RequiresViolation, alloc_unsafe_17Err1RequiresViolation, alloc_unsafe_17Err3RequiresViolation, alloc_unsafe_17Err2RequiresViolation, alloc_unsafe_17Err4RequiresViolation, alloc_unsafe_17Err0RequiresViolation, alloc_unsafe_17Err5RequiresViolation]=== [2018-02-04 04:46:00,956 INFO L82 PathProgramCache]: Analyzing trace with hash 1429677520, 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 04:46:00,967 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:46:00,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:46:01,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:46:01,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:46:01,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:46:01,126 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 04:46:01,159 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:46:01,159 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 04:46:01,160 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:46:01,160 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 04:46:01,161 INFO L182 omatonBuilderFactory]: Interpolants [80#(= |#valid| |old(#valid)|), 97#(and (= |#valid| |old(#valid)|) (= |old(#length)| |#length|)), 75#true, 91#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 76#false, 92#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))] [2018-02-04 04:46:01,161 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 04:46:01,162 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 04:46:01,173 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 04:46:01,174 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-02-04 04:46:01,176 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 6 states. [2018-02-04 04:46:01,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:46:01,447 INFO L93 Difference]: Finished difference Result 154 states and 186 transitions. [2018-02-04 04:46:01,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 04:46:01,448 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2018-02-04 04:46:01,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:46:01,456 INFO L225 Difference]: With dead ends: 154 [2018-02-04 04:46:01,456 INFO L226 Difference]: Without dead ends: 147 [2018-02-04 04:46:01,457 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2018-02-04 04:46:01,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-02-04 04:46:01,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 73. [2018-02-04 04:46:01,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-02-04 04:46:01,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 81 transitions. [2018-02-04 04:46:01,538 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 81 transitions. Word has length 17 [2018-02-04 04:46:01,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:46:01,538 INFO L432 AbstractCegarLoop]: Abstraction has 73 states and 81 transitions. [2018-02-04 04:46:01,538 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 04:46:01,539 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 81 transitions. [2018-02-04 04:46:01,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-02-04 04:46:01,540 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:46:01,540 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 04:46:01,540 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr0EnsuresViolation, free_17Err3RequiresViolation, free_17Err1RequiresViolation, free_17Err2RequiresViolation, free_17Err0RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr3RequiresViolation, alloc_unsafe_17Err1RequiresViolation, alloc_unsafe_17Err3RequiresViolation, alloc_unsafe_17Err2RequiresViolation, alloc_unsafe_17Err4RequiresViolation, alloc_unsafe_17Err0RequiresViolation, alloc_unsafe_17Err5RequiresViolation]=== [2018-02-04 04:46:01,541 INFO L82 PathProgramCache]: Analyzing trace with hash 1429687667, 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) [2018-02-04 04:46:01,545 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:46:01,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:46:01,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:46:01,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:46:01,687 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 04:46:01,720 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:46:01,721 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-02-04 04:46:01,721 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:46:01,721 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 04:46:01,721 INFO L182 omatonBuilderFactory]: Interpolants [338#(and (= 0 |entry_point_#t~ret9.base|) (= 0 |entry_point_#t~ret9.offset|)), 339#(and (= entry_point_~array~0.base 0) (= entry_point_~array~0.offset 0)), 340#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 341#(and (= |#valid| |old(#valid)|) (= |old(#length)| |#length|)), 342#(and (= 0 |ldv_malloc_#res.offset|) (= 0 |ldv_malloc_#res.base|)), 329#true, 330#false] [2018-02-04 04:46:01,721 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 04:46:01,722 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-04 04:46:01,723 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-04 04:46:01,723 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-02-04 04:46:01,723 INFO L87 Difference]: Start difference. First operand 73 states and 81 transitions. Second operand 7 states. [2018-02-04 04:46:02,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:46:02,125 INFO L93 Difference]: Finished difference Result 106 states and 119 transitions. [2018-02-04 04:46:02,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 04:46:02,125 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2018-02-04 04:46:02,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:46:02,127 INFO L225 Difference]: With dead ends: 106 [2018-02-04 04:46:02,127 INFO L226 Difference]: Without dead ends: 104 [2018-02-04 04:46:02,128 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 [2018-02-04 04:46:02,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-02-04 04:46:02,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 71. [2018-02-04 04:46:02,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-02-04 04:46:02,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 78 transitions. [2018-02-04 04:46:02,135 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 78 transitions. Word has length 17 [2018-02-04 04:46:02,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:46:02,135 INFO L432 AbstractCegarLoop]: Abstraction has 71 states and 78 transitions. [2018-02-04 04:46:02,135 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-04 04:46:02,135 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 78 transitions. [2018-02-04 04:46:02,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-02-04 04:46:02,136 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:46:02,136 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:46:02,136 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr0EnsuresViolation, free_17Err3RequiresViolation, free_17Err1RequiresViolation, free_17Err2RequiresViolation, free_17Err0RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr3RequiresViolation, alloc_unsafe_17Err1RequiresViolation, alloc_unsafe_17Err3RequiresViolation, alloc_unsafe_17Err2RequiresViolation, alloc_unsafe_17Err4RequiresViolation, alloc_unsafe_17Err0RequiresViolation, alloc_unsafe_17Err5RequiresViolation]=== [2018-02-04 04:46:02,136 INFO L82 PathProgramCache]: Analyzing trace with hash 1294678610, 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) [2018-02-04 04:46:02,140 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:46:02,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:46:02,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:46:02,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:46:02,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:46:02,218 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 04:46:02,220 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:46:02,220 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-02-04 04:46:02,220 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:46:02,220 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 04:46:02,220 INFO L182 omatonBuilderFactory]: Interpolants [529#true, 530#false, 546#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 547#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 554#(not (= 0 |entry_point_#t~ret9.base|)), 555#(not (= 0 entry_point_~array~0.base)), 556#(and (= |#valid| |old(#valid)|) (= |old(#length)| |#length|)), 557#(not (= 0 |ldv_malloc_#t~malloc1.base|)), 558#(not (= 0 |ldv_malloc_#res.base|))] [2018-02-04 04:46:02,220 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 04:46:02,220 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-04 04:46:02,221 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-04 04:46:02,221 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-02-04 04:46:02,221 INFO L87 Difference]: Start difference. First operand 71 states and 78 transitions. Second operand 9 states. [2018-02-04 04:46:02,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:46:02,524 INFO L93 Difference]: Finished difference Result 122 states and 139 transitions. [2018-02-04 04:46:02,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-04 04:46:02,524 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2018-02-04 04:46:02,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:46:02,525 INFO L225 Difference]: With dead ends: 122 [2018-02-04 04:46:02,525 INFO L226 Difference]: Without dead ends: 122 [2018-02-04 04:46:02,526 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2018-02-04 04:46:02,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2018-02-04 04:46:02,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 71. [2018-02-04 04:46:02,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-02-04 04:46:02,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 77 transitions. [2018-02-04 04:46:02,532 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 77 transitions. Word has length 19 [2018-02-04 04:46:02,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:46:02,532 INFO L432 AbstractCegarLoop]: Abstraction has 71 states and 77 transitions. [2018-02-04 04:46:02,532 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-04 04:46:02,532 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 77 transitions. [2018-02-04 04:46:02,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-02-04 04:46:02,533 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:46:02,533 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:46:02,534 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr0EnsuresViolation, free_17Err3RequiresViolation, free_17Err1RequiresViolation, free_17Err2RequiresViolation, free_17Err0RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr3RequiresViolation, alloc_unsafe_17Err1RequiresViolation, alloc_unsafe_17Err3RequiresViolation, alloc_unsafe_17Err2RequiresViolation, alloc_unsafe_17Err4RequiresViolation, alloc_unsafe_17Err0RequiresViolation, alloc_unsafe_17Err5RequiresViolation]=== [2018-02-04 04:46:02,534 INFO L82 PathProgramCache]: Analyzing trace with hash 1294688757, 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 04:46:02,536 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:46:02,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:46:02,549 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 04:46:02,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:46:02,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:46:02,578 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 04:46:02,580 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:46:02,581 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:46:02,599 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-02-04 04:46:02,600 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 04:46:02,602 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 04:46:02,602 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-02-04 04:46:02,614 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 04:46:02,643 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:46:02,643 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-02-04 04:46:02,644 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:46:02,644 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 04:46:02,644 INFO L182 omatonBuilderFactory]: Interpolants [770#(= 1 (select |#valid| |entry_point_#t~ret9.base|)), 771#(= 1 (select |#valid| entry_point_~array~0.base)), 772#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 773#(and (= |#valid| |old(#valid)|) (= |old(#length)| |#length|)), 774#(= 1 (select |#valid| |ldv_malloc_#t~malloc1.base|)), 759#true, 775#(= 1 (select |#valid| |ldv_malloc_#res.base|)), 760#false] [2018-02-04 04:46:02,644 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 04:46:02,644 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-02-04 04:46:02,644 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-02-04 04:46:02,644 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-02-04 04:46:02,645 INFO L87 Difference]: Start difference. First operand 71 states and 77 transitions. Second operand 8 states. [2018-02-04 04:46:02,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:46:02,904 INFO L93 Difference]: Finished difference Result 105 states and 119 transitions. [2018-02-04 04:46:02,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 04:46:02,905 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2018-02-04 04:46:02,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:46:02,906 INFO L225 Difference]: With dead ends: 105 [2018-02-04 04:46:02,906 INFO L226 Difference]: Without dead ends: 105 [2018-02-04 04:46:02,906 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-02-04 04:46:02,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-02-04 04:46:02,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 90. [2018-02-04 04:46:02,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-02-04 04:46:02,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 107 transitions. [2018-02-04 04:46:02,913 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 107 transitions. Word has length 19 [2018-02-04 04:46:02,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:46:02,913 INFO L432 AbstractCegarLoop]: Abstraction has 90 states and 107 transitions. [2018-02-04 04:46:02,913 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-02-04 04:46:02,913 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 107 transitions. [2018-02-04 04:46:02,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-02-04 04:46:02,914 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:46:02,914 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:46:02,914 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr0EnsuresViolation, free_17Err3RequiresViolation, free_17Err1RequiresViolation, free_17Err2RequiresViolation, free_17Err0RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr3RequiresViolation, alloc_unsafe_17Err1RequiresViolation, alloc_unsafe_17Err3RequiresViolation, alloc_unsafe_17Err2RequiresViolation, alloc_unsafe_17Err4RequiresViolation, alloc_unsafe_17Err0RequiresViolation, alloc_unsafe_17Err5RequiresViolation]=== [2018-02-04 04:46:02,914 INFO L82 PathProgramCache]: Analyzing trace with hash 1294688758, 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 04:46:02,917 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:46:02,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:46:02,944 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 04:46:02,944 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 107 column 452: 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) [2018-02-04 04:46:02,947 INFO L168 Benchmark]: Toolchain (without parser) took 2489.67 ms. Allocated memory was 400.6 MB in the beginning and 622.3 MB in the end (delta: 221.8 MB). Free memory was 357.3 MB in the beginning and 538.8 MB in the end (delta: -181.5 MB). Peak memory consumption was 40.3 MB. Max. memory is 5.3 GB. [2018-02-04 04:46:02,947 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 400.6 MB. Free memory is still 364.0 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 04:46:02,948 INFO L168 Benchmark]: CACSL2BoogieTranslator took 159.68 ms. Allocated memory is still 400.6 MB. Free memory was 357.3 MB in the beginning and 344.1 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 5.3 GB. [2018-02-04 04:46:02,948 INFO L168 Benchmark]: Boogie Preprocessor took 26.40 ms. Allocated memory is still 400.6 MB. Free memory was 344.1 MB in the beginning and 342.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. [2018-02-04 04:46:02,948 INFO L168 Benchmark]: RCFGBuilder took 237.10 ms. Allocated memory is still 400.6 MB. Free memory was 342.8 MB in the beginning and 319.3 MB in the end (delta: 23.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 5.3 GB. [2018-02-04 04:46:02,949 INFO L168 Benchmark]: TraceAbstraction took 2064.00 ms. Allocated memory was 400.6 MB in the beginning and 622.3 MB in the end (delta: 221.8 MB). Free memory was 319.3 MB in the beginning and 538.8 MB in the end (delta: -219.5 MB). Peak memory consumption was 2.3 MB. Max. memory is 5.3 GB. [2018-02-04 04:46:02,951 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 400.6 MB. Free memory is still 364.0 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 159.68 ms. Allocated memory is still 400.6 MB. Free memory was 357.3 MB in the beginning and 344.1 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 26.40 ms. Allocated memory is still 400.6 MB. Free memory was 344.1 MB in the beginning and 342.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 237.10 ms. Allocated memory is still 400.6 MB. Free memory was 342.8 MB in the beginning and 319.3 MB in the end (delta: 23.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 5.3 GB. * TraceAbstraction took 2064.00 ms. Allocated memory was 400.6 MB in the beginning and 622.3 MB in the end (delta: 221.8 MB). Free memory was 319.3 MB in the beginning and 538.8 MB in the end (delta: -219.5 MB). Peak memory consumption was 2.3 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 107 column 452: Sort mismatch at argument #1 for function (declare-fun >= (Int Int) Bool) supplied sort is Bool de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 107 column 452: Sort mismatch at argument #1 for function (declare-fun >= (Int Int) Bool) supplied sort is Bool: de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$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_test17_2_false-valid-free.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_04-46-02-959.csv Received shutdown request...