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_test18_1_false-valid-memtrack_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ccafca9-m [2018-02-04 04:47:29,886 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 04:47:29,888 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 04:47:29,901 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 04:47:29,901 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 04:47:29,901 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 04:47:29,902 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 04:47:29,903 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 04:47:29,905 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 04:47:29,905 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 04:47:29,906 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 04:47:29,906 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 04:47:29,907 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 04:47:29,908 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 04:47:29,909 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 04:47:29,910 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 04:47:29,912 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 04:47:29,914 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 04:47:29,914 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 04:47:29,915 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 04:47:29,917 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-02-04 04:47:29,921 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-04 04:47:29,922 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-04 04:47:29,922 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 04:47:29,932 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 04:47:29,932 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 04:47:29,933 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 04:47:29,933 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 04:47:29,933 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 04:47:29,934 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 04:47:29,934 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 04:47:29,934 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 04:47:29,934 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 04:47:29,934 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 04:47:29,935 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 04:47:29,935 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 04:47:29,935 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 04:47:29,935 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-04 04:47:29,935 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 04:47:29,935 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 04:47:29,936 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 04:47:29,936 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 04:47:29,936 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 04:47:29,936 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 04:47:29,936 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 04:47:29,936 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 04:47:29,936 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-02-04 04:47:29,937 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-02-04 04:47:29,937 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:47:29,965 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 04:47:29,973 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 04:47:29,976 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 04:47:29,976 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 04:47:29,977 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 04:47:29,978 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test18_1_false-valid-memtrack_true-termination.i [2018-02-04 04:47:30,111 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 04:47:30,112 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 04:47:30,113 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 04:47:30,113 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 04:47:30,119 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 04:47:30,120 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:47:30" (1/1) ... [2018-02-04 04:47:30,123 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@497f0546 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:47:30, skipping insertion in model container [2018-02-04 04:47:30,123 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:47:30" (1/1) ... [2018-02-04 04:47:30,138 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 04:47:30,174 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 04:47:30,258 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 04:47:30,269 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 04:47:30,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:47:30 WrapperNode [2018-02-04 04:47:30,274 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 04:47:30,274 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 04:47:30,274 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 04:47:30,275 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 04:47:30,287 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:47:30" (1/1) ... [2018-02-04 04:47:30,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:47:30" (1/1) ... [2018-02-04 04:47:30,296 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:47:30" (1/1) ... [2018-02-04 04:47:30,296 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:47:30" (1/1) ... [2018-02-04 04:47:30,299 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:47:30" (1/1) ... [2018-02-04 04:47:30,300 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:47:30" (1/1) ... [2018-02-04 04:47:30,301 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:47:30" (1/1) ... [2018-02-04 04:47:30,302 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 04:47:30,303 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 04:47:30,303 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 04:47:30,303 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 04:47:30,303 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:47:30" (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 04:47:30,335 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 04:47:30,335 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 04:47:30,335 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-02-04 04:47:30,335 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-02-04 04:47:30,336 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 04:47:30,336 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-04 04:47:30,336 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-04 04:47:30,336 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 04:47:30,336 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 04:47:30,336 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 04:47:30,336 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-04 04:47:30,336 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-04 04:47:30,336 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-04 04:47:30,336 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-02-04 04:47:30,336 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-02-04 04:47:30,336 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 04:47:30,336 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 04:47:30,336 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 04:47:30,473 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 04:47:30,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:47:30 BoogieIcfgContainer [2018-02-04 04:47:30,474 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 04:47:30,474 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 04:47:30,474 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 04:47:30,476 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 04:47:30,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 04:47:30" (1/3) ... [2018-02-04 04:47:30,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c51dac0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:47:30, skipping insertion in model container [2018-02-04 04:47:30,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:47:30" (2/3) ... [2018-02-04 04:47:30,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c51dac0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:47:30, skipping insertion in model container [2018-02-04 04:47:30,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:47:30" (3/3) ... [2018-02-04 04:47:30,478 INFO L107 eAbstractionObserver]: Analyzing ICFG memleaks_test18_1_false-valid-memtrack_true-termination.i [2018-02-04 04:47:30,483 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-04 04:47:30,488 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2018-02-04 04:47:30,516 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 04:47:30,516 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 04:47:30,517 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-02-04 04:47:30,517 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-04 04:47:30,517 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 04:47:30,517 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 04:47:30,517 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 04:47:30,517 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 04:47:30,517 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 04:47:30,527 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states. [2018-02-04 04:47:30,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-02-04 04:47:30,533 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:47:30,534 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 04:47:30,534 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation, entry_pointErr5RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr4RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr3RequiresViolation]=== [2018-02-04 04:47:30,538 INFO L82 PathProgramCache]: Analyzing trace with hash -1647065445, 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 04:47:30,547 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:47:30,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:47:30,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:47:30,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:47:30,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:47:30,663 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 04:47:30,685 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:47:30,685 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 04:47:30,686 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:47:30,686 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 04:47:30,687 INFO L182 omatonBuilderFactory]: Interpolants [51#(= |#valid| |old(#valid)|), 68#(and (= |#valid| |old(#valid)|) (= |old(#length)| |#length|)), 46#true, 62#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 47#false, 63#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))] [2018-02-04 04:47:30,687 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 04:47:30,688 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 04:47:30,698 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 04:47:30,699 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-02-04 04:47:30,701 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 6 states. [2018-02-04 04:47:30,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:47:30,925 INFO L93 Difference]: Finished difference Result 90 states and 107 transitions. [2018-02-04 04:47:30,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 04:47:30,927 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2018-02-04 04:47:30,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:47:30,934 INFO L225 Difference]: With dead ends: 90 [2018-02-04 04:47:30,934 INFO L226 Difference]: Without dead ends: 79 [2018-02-04 04:47:30,936 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2018-02-04 04:47:30,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-02-04 04:47:31,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 54. [2018-02-04 04:47:31,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-02-04 04:47:31,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 66 transitions. [2018-02-04 04:47:31,018 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 66 transitions. Word has length 17 [2018-02-04 04:47:31,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:47:31,019 INFO L432 AbstractCegarLoop]: Abstraction has 54 states and 66 transitions. [2018-02-04 04:47:31,019 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 04:47:31,019 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 66 transitions. [2018-02-04 04:47:31,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-02-04 04:47:31,021 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:47:31,021 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 04:47:31,021 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr0EnsuresViolation, entry_pointErr5RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr4RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr3RequiresViolation]=== [2018-02-04 04:47:31,021 INFO L82 PathProgramCache]: Analyzing trace with hash -1810172163, 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 04:47:31,024 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:47:31,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:47:31,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:47:31,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:47:31,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:47:31,090 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 04:47:31,107 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:47:31,108 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-02-04 04:47:31,108 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:47:31,108 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 04:47:31,108 INFO L182 omatonBuilderFactory]: Interpolants [242#(not (= 0 |entry_point_#t~ret2.base|)), 243#(not (= 0 entry_point_~array~0.base)), 244#(and (= |#valid| |old(#valid)|) (= |old(#length)| |#length|)), 245#(not (= 0 |ldv_malloc_#t~malloc1.base|)), 246#(not (= 0 |ldv_malloc_#res.base|)), 217#true, 218#false, 234#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 235#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))] [2018-02-04 04:47:31,108 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 04:47:31,110 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-04 04:47:31,110 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-04 04:47:31,110 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-02-04 04:47:31,110 INFO L87 Difference]: Start difference. First operand 54 states and 66 transitions. Second operand 9 states. [2018-02-04 04:47:31,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:47:31,378 INFO L93 Difference]: Finished difference Result 101 states and 119 transitions. [2018-02-04 04:47:31,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-04 04:47:31,379 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2018-02-04 04:47:31,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:47:31,380 INFO L225 Difference]: With dead ends: 101 [2018-02-04 04:47:31,380 INFO L226 Difference]: Without dead ends: 101 [2018-02-04 04:47:31,381 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 04:47:31,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-02-04 04:47:31,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 54. [2018-02-04 04:47:31,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-02-04 04:47:31,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 65 transitions. [2018-02-04 04:47:31,388 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 65 transitions. Word has length 19 [2018-02-04 04:47:31,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:47:31,389 INFO L432 AbstractCegarLoop]: Abstraction has 54 states and 65 transitions. [2018-02-04 04:47:31,389 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-04 04:47:31,389 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 65 transitions. [2018-02-04 04:47:31,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-02-04 04:47:31,390 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:47:31,390 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] [2018-02-04 04:47:31,390 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr0EnsuresViolation, entry_pointErr5RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr4RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr3RequiresViolation]=== [2018-02-04 04:47:31,390 INFO L82 PathProgramCache]: Analyzing trace with hash 1893738511, 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 04:47:31,393 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:47:31,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:47:31,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:47:31,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:47:31,443 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 04:47:31,459 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:47:31,459 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-04 04:47:31,459 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:47:31,460 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 04:47:31,460 INFO L182 omatonBuilderFactory]: Interpolants [418#(= 0 entry_point_~i~0), 419#(< entry_point_~j~0 0), 420#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 421#(and (= |#valid| |old(#valid)|) (= |old(#length)| |#length|)), 409#true, 410#false] [2018-02-04 04:47:31,460 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 04:47:31,460 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 04:47:31,460 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 04:47:31,461 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-04 04:47:31,461 INFO L87 Difference]: Start difference. First operand 54 states and 65 transitions. Second operand 6 states. [2018-02-04 04:47:31,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:47:31,646 INFO L93 Difference]: Finished difference Result 88 states and 104 transitions. [2018-02-04 04:47:31,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-04 04:47:31,647 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2018-02-04 04:47:31,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:47:31,648 INFO L225 Difference]: With dead ends: 88 [2018-02-04 04:47:31,648 INFO L226 Difference]: Without dead ends: 85 [2018-02-04 04:47:31,648 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-02-04 04:47:31,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-02-04 04:47:31,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 67. [2018-02-04 04:47:31,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-02-04 04:47:31,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 84 transitions. [2018-02-04 04:47:31,654 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 84 transitions. Word has length 20 [2018-02-04 04:47:31,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:47:31,654 INFO L432 AbstractCegarLoop]: Abstraction has 67 states and 84 transitions. [2018-02-04 04:47:31,657 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 04:47:31,657 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2018-02-04 04:47:31,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-02-04 04:47:31,658 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:47:31,658 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:47:31,658 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr0EnsuresViolation, entry_pointErr5RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr4RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr3RequiresViolation]=== [2018-02-04 04:47:31,658 INFO L82 PathProgramCache]: Analyzing trace with hash -1269959179, 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 04:47:31,662 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:47:31,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:47:31,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:47:31,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:47:31,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:47:31,737 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 04:47:31,753 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:47:31,753 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-02-04 04:47:31,753 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:47:31,754 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 04:47:31,754 INFO L182 omatonBuilderFactory]: Interpolants [599#(and (= 0 |entry_point_#t~ret4.base|) (= 0 |entry_point_#t~ret4.offset|)), 600#(and (= entry_point_~p~0.offset 0) (= entry_point_~p~0.base 0)), 601#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 586#true, 602#(and (= |#valid| |old(#valid)|) (= |old(#length)| |#length|)), 587#false, 603#(and (= 0 |ldv_malloc_#res.offset|) (= 0 |ldv_malloc_#res.base|))] [2018-02-04 04:47:31,754 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 04:47:31,754 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-04 04:47:31,754 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-04 04:47:31,755 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-02-04 04:47:31,755 INFO L87 Difference]: Start difference. First operand 67 states and 84 transitions. Second operand 7 states. [2018-02-04 04:47:31,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:47:31,891 INFO L93 Difference]: Finished difference Result 77 states and 88 transitions. [2018-02-04 04:47:31,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-04 04:47:31,891 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2018-02-04 04:47:31,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:47:31,892 INFO L225 Difference]: With dead ends: 77 [2018-02-04 04:47:31,892 INFO L226 Difference]: Without dead ends: 75 [2018-02-04 04:47:31,893 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 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 04:47:31,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-02-04 04:47:31,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 59. [2018-02-04 04:47:31,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-02-04 04:47:31,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 69 transitions. [2018-02-04 04:47:31,898 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 69 transitions. Word has length 24 [2018-02-04 04:47:31,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:47:31,898 INFO L432 AbstractCegarLoop]: Abstraction has 59 states and 69 transitions. [2018-02-04 04:47:31,898 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-04 04:47:31,898 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 69 transitions. [2018-02-04 04:47:31,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-02-04 04:47:31,899 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:47:31,899 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] [2018-02-04 04:47:31,899 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr0EnsuresViolation, entry_pointErr5RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr4RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr3RequiresViolation]=== [2018-02-04 04:47:31,900 INFO L82 PathProgramCache]: Analyzing trace with hash 661087829, 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 04:47:31,904 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:47:31,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:47:31,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:47:31,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:47:31,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:47:31,970 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 04:47:31,996 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:47:31,997 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-02-04 04:47:31,997 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:47:31,997 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 04:47:31,997 INFO L182 omatonBuilderFactory]: Interpolants [771#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 772#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 773#(= 10 entry_point_~len~0), 780#(< entry_point_~i~0 entry_point_~len~0), 749#true, 781#(and (= |#valid| |old(#valid)|) (= |old(#length)| |#length|)), 750#false] [2018-02-04 04:47:31,997 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 04:47:31,997 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-04 04:47:31,998 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-04 04:47:31,998 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-02-04 04:47:31,998 INFO L87 Difference]: Start difference. First operand 59 states and 69 transitions. Second operand 7 states. [2018-02-04 04:47:32,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:47:32,094 INFO L93 Difference]: Finished difference Result 72 states and 82 transitions. [2018-02-04 04:47:32,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 04:47:32,094 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2018-02-04 04:47:32,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:47:32,095 INFO L225 Difference]: With dead ends: 72 [2018-02-04 04:47:32,095 INFO L226 Difference]: Without dead ends: 72 [2018-02-04 04:47:32,096 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2018-02-04 04:47:32,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-02-04 04:47:32,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 59. [2018-02-04 04:47:32,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-02-04 04:47:32,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 68 transitions. [2018-02-04 04:47:32,100 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 68 transitions. Word has length 24 [2018-02-04 04:47:32,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:47:32,101 INFO L432 AbstractCegarLoop]: Abstraction has 59 states and 68 transitions. [2018-02-04 04:47:32,101 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-04 04:47:32,101 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 68 transitions. [2018-02-04 04:47:32,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-02-04 04:47:32,101 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:47:32,101 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:47:32,101 INFO L371 AbstractCegarLoop]: === Iteration 6 === [mainErr0EnsuresViolation, entry_pointErr5RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr4RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr3RequiresViolation]=== [2018-02-04 04:47:32,101 INFO L82 PathProgramCache]: Analyzing trace with hash -2013761193, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:47:32,104 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:47:32,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:47:32,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:47:32,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:47:32,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:47:32,140 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 04:47:32,155 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 04:47:32,155 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-02-04 04:47:32,155 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:47:32,156 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 04:47:32,156 INFO L182 omatonBuilderFactory]: Interpolants [931#(and (= 0 |entry_point_#t~ret2.offset|) (= 0 |entry_point_#t~ret2.base|)), 932#(and (= entry_point_~array~0.base 0) (= entry_point_~array~0.offset 0)), 922#true, 923#false, 939#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 940#(and (= |#valid| |old(#valid)|) (= |old(#length)| |#length|)), 941#(and (= 0 |ldv_malloc_#res.offset|) (= 0 |ldv_malloc_#res.base|))] [2018-02-04 04:47:32,156 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 04:47:32,156 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-04 04:47:32,156 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-04 04:47:32,156 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-02-04 04:47:32,156 INFO L87 Difference]: Start difference. First operand 59 states and 68 transitions. Second operand 7 states. [2018-02-04 04:47:32,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:47:32,221 INFO L93 Difference]: Finished difference Result 56 states and 63 transitions. [2018-02-04 04:47:32,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 04:47:32,221 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2018-02-04 04:47:32,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:47:32,222 INFO L225 Difference]: With dead ends: 56 [2018-02-04 04:47:32,222 INFO L226 Difference]: Without dead ends: 54 [2018-02-04 04:47:32,222 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 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 04:47:32,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-02-04 04:47:32,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-02-04 04:47:32,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-02-04 04:47:32,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 61 transitions. [2018-02-04 04:47:32,224 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 61 transitions. Word has length 26 [2018-02-04 04:47:32,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:47:32,224 INFO L432 AbstractCegarLoop]: Abstraction has 54 states and 61 transitions. [2018-02-04 04:47:32,224 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-04 04:47:32,225 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2018-02-04 04:47:32,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-02-04 04:47:32,225 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:47:32,225 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:47:32,225 INFO L371 AbstractCegarLoop]: === Iteration 7 === [mainErr0EnsuresViolation, entry_pointErr5RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr4RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr3RequiresViolation]=== [2018-02-04 04:47:32,225 INFO L82 PathProgramCache]: Analyzing trace with hash -85684427, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:47:32,227 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:47:32,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:47:32,252 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier WARNING: array quantifier [2018-02-04 04:47:32,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:47:32,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:47:32,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:47:32,291 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 04:47:32,292 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-02-04 04:47:32,293 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:47:32,293 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-02-04 04:47:32,293 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:47:32,293 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-02-04 04:47:32,294 INFO L182 omatonBuilderFactory]: Interpolants [1073#(= 1 (select |#valid| |entry_point_#t~ret2.base|)), 1074#(= 1 (select |#valid| entry_point_~array~0.base)), 1062#true, 1063#false, 1081#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 1082#(and (= |#valid| |old(#valid)|) (= |old(#length)| |#length|)), 1083#(= |#valid| |old(#valid)|), 1084#(= |#valid| (store |old(#valid)| |ldv_malloc_#t~malloc1.base| 1)), 1085#(= |#valid| (store |old(#valid)| |ldv_malloc_#res.base| 1))] [2018-02-04 04:47:32,294 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-02-04 04:47:32,294 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-04 04:47:32,294 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-04 04:47:32,294 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-02-04 04:47:32,294 INFO L87 Difference]: Start difference. First operand 54 states and 61 transitions. Second operand 9 states. [2018-02-04 04:47:32,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:47:32,389 INFO L93 Difference]: Finished difference Result 59 states and 67 transitions. [2018-02-04 04:47:32,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 04:47:32,389 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 28 [2018-02-04 04:47:32,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:47:32,390 INFO L225 Difference]: With dead ends: 59 [2018-02-04 04:47:32,390 INFO L226 Difference]: Without dead ends: 59 [2018-02-04 04:47:32,390 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 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 04:47:32,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-02-04 04:47:32,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 56. [2018-02-04 04:47:32,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-02-04 04:47:32,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 65 transitions. [2018-02-04 04:47:32,393 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 65 transitions. Word has length 28 [2018-02-04 04:47:32,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:47:32,394 INFO L432 AbstractCegarLoop]: Abstraction has 56 states and 65 transitions. [2018-02-04 04:47:32,394 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-04 04:47:32,394 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 65 transitions. [2018-02-04 04:47:32,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-02-04 04:47:32,394 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:47:32,394 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:47:32,394 INFO L371 AbstractCegarLoop]: === Iteration 8 === [mainErr0EnsuresViolation, entry_pointErr5RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr4RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr3RequiresViolation]=== [2018-02-04 04:47:32,395 INFO L82 PathProgramCache]: Analyzing trace with hash -85684426, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:47:32,401 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:47:32,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:47:32,427 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier WARNING: array quantifier Unsupported proof rule: (let ((a!1 (= (+ 0 0 (* (- 1) (select |#length_21| |ldv_malloc_#t~malloc1.base_10|))) (* (- 1) (select |#length_21| |ldv_malloc_#t~malloc1.base_10|))))) (rewrite a!1)) [2018-02-04 04:47:32,428 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 140 column 591: theory not supported by interpolation or bad proof 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 04:47:32,430 INFO L168 Benchmark]: Toolchain (without parser) took 2319.16 ms. Allocated memory was 403.2 MB in the beginning and 625.5 MB in the end (delta: 222.3 MB). Free memory was 359.9 MB in the beginning and 456.6 MB in the end (delta: -96.7 MB). Peak memory consumption was 125.6 MB. Max. memory is 5.3 GB. [2018-02-04 04:47:32,431 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 403.2 MB. Free memory is still 365.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 04:47:32,432 INFO L168 Benchmark]: CACSL2BoogieTranslator took 161.20 ms. Allocated memory is still 403.2 MB. Free memory was 359.9 MB in the beginning and 346.6 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 5.3 GB. [2018-02-04 04:47:32,432 INFO L168 Benchmark]: Boogie Preprocessor took 28.11 ms. Allocated memory is still 403.2 MB. Free memory was 346.6 MB in the beginning and 344.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-02-04 04:47:32,432 INFO L168 Benchmark]: RCFGBuilder took 171.31 ms. Allocated memory is still 403.2 MB. Free memory was 344.0 MB in the beginning and 326.8 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 5.3 GB. [2018-02-04 04:47:32,433 INFO L168 Benchmark]: TraceAbstraction took 1955.58 ms. Allocated memory was 403.2 MB in the beginning and 625.5 MB in the end (delta: 222.3 MB). Free memory was 326.8 MB in the beginning and 456.6 MB in the end (delta: -129.8 MB). Peak memory consumption was 92.5 MB. Max. memory is 5.3 GB. [2018-02-04 04:47:32,435 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 403.2 MB. Free memory is still 365.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 161.20 ms. Allocated memory is still 403.2 MB. Free memory was 359.9 MB in the beginning and 346.6 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 28.11 ms. Allocated memory is still 403.2 MB. Free memory was 346.6 MB in the beginning and 344.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 171.31 ms. Allocated memory is still 403.2 MB. Free memory was 344.0 MB in the beginning and 326.8 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1955.58 ms. Allocated memory was 403.2 MB in the beginning and 625.5 MB in the end (delta: 222.3 MB). Free memory was 326.8 MB in the beginning and 456.6 MB in the end (delta: -129.8 MB). Peak memory consumption was 92.5 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 140 column 591: theory not supported by interpolation or bad proof de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 140 column 591: theory not supported by interpolation or bad proof: de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$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_test18_1_false-valid-memtrack_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_04-47-32-443.csv Received shutdown request...