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_test10_false-valid-memtrack_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c17473d-m [2018-02-04 20:44:36,644 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 20:44:36,645 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 20:44:36,654 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 20:44:36,654 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 20:44:36,655 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 20:44:36,655 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 20:44:36,656 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 20:44:36,658 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 20:44:36,658 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 20:44:36,659 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-02-04 20:44:36,674 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf [2018-02-04 20:44:36,684 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 20:44:36,685 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 20:44:36,685 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 20:44:36,686 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 20:44:36,686 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 20:44:36,686 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 20:44:36,686 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 20:44:36,686 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 20:44:36,686 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 20:44:36,687 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 20:44:36,687 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 20:44:36,687 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 20:44:36,687 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 20:44:36,687 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 20:44:36,687 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 20:44:36,687 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 20:44:36,688 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 20:44:36,688 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 20:44:36,688 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 20:44:36,688 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 20:44:36,688 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 20:44:36,688 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-02-04 20:44:36,689 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-02-04 20:44:36,689 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 20:44:36,716 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 20:44:36,726 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 20:44:36,729 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 20:44:36,730 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 20:44:36,730 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 20:44:36,731 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test10_false-valid-memtrack_true-termination.i [2018-02-04 20:44:36,882 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 20:44:36,883 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 20:44:36,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 20:44:36,884 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 20:44:36,888 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 20:44:36,889 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 08:44:36" (1/1) ... [2018-02-04 20:44:36,892 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b089594 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:44:36, skipping insertion in model container [2018-02-04 20:44:36,892 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 08:44:36" (1/1) ... [2018-02-04 20:44:36,907 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 20:44:36,943 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 20:44:37,020 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 20:44:37,033 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 20:44:37,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:44:37 WrapperNode [2018-02-04 20:44:37,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 20:44:37,040 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 20:44:37,040 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 20:44:37,040 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 20:44:37,049 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:44:37" (1/1) ... [2018-02-04 20:44:37,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:44:37" (1/1) ... [2018-02-04 20:44:37,058 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:44:37" (1/1) ... [2018-02-04 20:44:37,058 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:44:37" (1/1) ... [2018-02-04 20:44:37,062 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:44:37" (1/1) ... [2018-02-04 20:44:37,063 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:44:37" (1/1) ... [2018-02-04 20:44:37,064 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:44:37" (1/1) ... [2018-02-04 20:44:37,065 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 20:44:37,066 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 20:44:37,066 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 20:44:37,066 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 20:44:37,066 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:44:37" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 20:44:37,104 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 20:44:37,104 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 20:44:37,104 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-02-04 20:44:37,104 INFO L136 BoogieDeclarations]: Found implementation of procedure alloc_10 [2018-02-04 20:44:37,104 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-02-04 20:44:37,104 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 20:44:37,104 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-04 20:44:37,105 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-04 20:44:37,105 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 20:44:37,105 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 20:44:37,105 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 20:44:37,105 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-04 20:44:37,105 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-04 20:44:37,105 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-04 20:44:37,105 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-02-04 20:44:37,105 INFO L128 BoogieDeclarations]: Found specification of procedure alloc_10 [2018-02-04 20:44:37,105 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-02-04 20:44:37,105 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 20:44:37,105 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 20:44:37,105 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 20:44:37,296 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 20:44:37,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 08:44:37 BoogieIcfgContainer [2018-02-04 20:44:37,296 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 20:44:37,297 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 20:44:37,297 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 20:44:37,301 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 20:44:37,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 08:44:36" (1/3) ... [2018-02-04 20:44:37,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c13ed78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 08:44:37, skipping insertion in model container [2018-02-04 20:44:37,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:44:37" (2/3) ... [2018-02-04 20:44:37,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c13ed78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 08:44:37, skipping insertion in model container [2018-02-04 20:44:37,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 08:44:37" (3/3) ... [2018-02-04 20:44:37,304 INFO L107 eAbstractionObserver]: Analyzing ICFG memleaks_test10_false-valid-memtrack_true-termination.i [2018-02-04 20:44:37,310 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-04 20:44:37,315 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 31 error locations. [2018-02-04 20:44:37,347 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 20:44:37,347 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 20:44:37,347 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-02-04 20:44:37,347 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-04 20:44:37,347 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 20:44:37,347 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 20:44:37,348 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 20:44:37,348 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 20:44:37,348 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 20:44:37,360 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states. [2018-02-04 20:44:37,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-02-04 20:44:37,368 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:44:37,369 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:44:37,369 INFO L371 AbstractCegarLoop]: === Iteration 1 === [alloc_10Err5RequiresViolation, alloc_10Err2RequiresViolation, alloc_10Err3RequiresViolation, alloc_10Err4RequiresViolation, alloc_10Err1RequiresViolation, alloc_10Err0RequiresViolation, mainErr0EnsuresViolation, entry_pointErr5RequiresViolation, entry_pointErr14RequiresViolation, entry_pointErr18RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr23RequiresViolation, entry_pointErr13RequiresViolation, entry_pointErr19RequiresViolation, entry_pointErr6RequiresViolation, entry_pointErr8RequiresViolation, entry_pointErr11RequiresViolation, entry_pointErr3RequiresViolation, entry_pointErr16RequiresViolation, entry_pointErr7RequiresViolation, entry_pointErr12RequiresViolation, entry_pointErr21RequiresViolation, entry_pointErr22RequiresViolation, entry_pointErr15RequiresViolation, entry_pointErr17RequiresViolation, entry_pointErr20RequiresViolation, entry_pointErr4RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr9RequiresViolation, entry_pointErr10RequiresViolation]=== [2018-02-04 20:44:37,373 INFO L82 PathProgramCache]: Analyzing trace with hash 178224559, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 20:44:37,385 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:44:37,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:44:37,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:44:37,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:44:37,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:44:37,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:44:37,517 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:44:37,517 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 20:44:37,517 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:44:37,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:44:37,518 INFO L182 omatonBuilderFactory]: Interpolants [99#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 84#true, 100#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 85#false, 89#(= |#valid| |old(#valid)|), 105#(and (= |#valid| |old(#valid)|) (= |old(#length)| |#length|))] [2018-02-04 20:44:37,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:44:37,519 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 20:44:37,526 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 20:44:37,526 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-02-04 20:44:37,528 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 6 states. [2018-02-04 20:44:37,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:44:37,916 INFO L93 Difference]: Finished difference Result 138 states and 156 transitions. [2018-02-04 20:44:37,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 20:44:37,917 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2018-02-04 20:44:37,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:44:37,927 INFO L225 Difference]: With dead ends: 138 [2018-02-04 20:44:37,927 INFO L226 Difference]: Without dead ends: 131 [2018-02-04 20:44:37,929 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 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 20:44:37,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-02-04 20:44:38,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 82. [2018-02-04 20:44:38,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-02-04 20:44:38,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 91 transitions. [2018-02-04 20:44:38,004 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 91 transitions. Word has length 16 [2018-02-04 20:44:38,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:44:38,004 INFO L432 AbstractCegarLoop]: Abstraction has 82 states and 91 transitions. [2018-02-04 20:44:38,004 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 20:44:38,004 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2018-02-04 20:44:38,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-02-04 20:44:38,005 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:44:38,006 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:44:38,006 INFO L371 AbstractCegarLoop]: === Iteration 2 === [alloc_10Err5RequiresViolation, alloc_10Err2RequiresViolation, alloc_10Err3RequiresViolation, alloc_10Err4RequiresViolation, alloc_10Err1RequiresViolation, alloc_10Err0RequiresViolation, mainErr0EnsuresViolation, entry_pointErr5RequiresViolation, entry_pointErr14RequiresViolation, entry_pointErr18RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr23RequiresViolation, entry_pointErr13RequiresViolation, entry_pointErr19RequiresViolation, entry_pointErr6RequiresViolation, entry_pointErr8RequiresViolation, entry_pointErr11RequiresViolation, entry_pointErr3RequiresViolation, entry_pointErr16RequiresViolation, entry_pointErr7RequiresViolation, entry_pointErr12RequiresViolation, entry_pointErr21RequiresViolation, entry_pointErr22RequiresViolation, entry_pointErr15RequiresViolation, entry_pointErr17RequiresViolation, entry_pointErr20RequiresViolation, entry_pointErr4RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr9RequiresViolation, entry_pointErr10RequiresViolation]=== [2018-02-04 20:44:38,006 INFO L82 PathProgramCache]: Analyzing trace with hash 892424113, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 20:44:38,009 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:44:38,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:44:38,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:44:38,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:44:38,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:44:38,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:44:38,116 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:44:38,116 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-02-04 20:44:38,116 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:44:38,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:44:38,116 INFO L182 omatonBuilderFactory]: Interpolants [354#(not (= 0 |entry_point_#t~ret6.base|)), 355#(not (= 0 entry_point_~a10~0.base)), 356#(and (= |#valid| |old(#valid)|) (= |old(#length)| |#length|)), 357#(not (= 0 |ldv_malloc_#t~malloc1.base|)), 358#(not (= 0 |ldv_malloc_#res.base|)), 330#true, 346#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 331#false, 347#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))] [2018-02-04 20:44:38,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:44:38,118 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-04 20:44:38,118 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-04 20:44:38,118 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-02-04 20:44:38,119 INFO L87 Difference]: Start difference. First operand 82 states and 91 transitions. Second operand 9 states. [2018-02-04 20:44:38,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:44:38,589 INFO L93 Difference]: Finished difference Result 176 states and 199 transitions. [2018-02-04 20:44:38,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-02-04 20:44:38,590 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2018-02-04 20:44:38,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:44:38,591 INFO L225 Difference]: With dead ends: 176 [2018-02-04 20:44:38,591 INFO L226 Difference]: Without dead ends: 176 [2018-02-04 20:44:38,592 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2018-02-04 20:44:38,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2018-02-04 20:44:38,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 78. [2018-02-04 20:44:38,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-02-04 20:44:38,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 83 transitions. [2018-02-04 20:44:38,599 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 83 transitions. Word has length 18 [2018-02-04 20:44:38,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:44:38,600 INFO L432 AbstractCegarLoop]: Abstraction has 78 states and 83 transitions. [2018-02-04 20:44:38,600 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-04 20:44:38,600 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 83 transitions. [2018-02-04 20:44:38,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-02-04 20:44:38,600 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:44:38,600 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:44:38,600 INFO L371 AbstractCegarLoop]: === Iteration 3 === [alloc_10Err5RequiresViolation, alloc_10Err2RequiresViolation, alloc_10Err3RequiresViolation, alloc_10Err4RequiresViolation, alloc_10Err1RequiresViolation, alloc_10Err0RequiresViolation, mainErr0EnsuresViolation, entry_pointErr5RequiresViolation, entry_pointErr14RequiresViolation, entry_pointErr18RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr23RequiresViolation, entry_pointErr13RequiresViolation, entry_pointErr19RequiresViolation, entry_pointErr6RequiresViolation, entry_pointErr8RequiresViolation, entry_pointErr11RequiresViolation, entry_pointErr3RequiresViolation, entry_pointErr16RequiresViolation, entry_pointErr7RequiresViolation, entry_pointErr12RequiresViolation, entry_pointErr21RequiresViolation, entry_pointErr22RequiresViolation, entry_pointErr15RequiresViolation, entry_pointErr17RequiresViolation, entry_pointErr20RequiresViolation, entry_pointErr4RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr9RequiresViolation, entry_pointErr10RequiresViolation]=== [2018-02-04 20:44:38,600 INFO L82 PathProgramCache]: Analyzing trace with hash 2038882856, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 20:44:38,604 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:44:38,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:44:38,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:44:38,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:44:38,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:44:38,660 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 20:44:38,682 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 20:44:38,682 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-02-04 20:44:38,683 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:44:38,683 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 20:44:38,683 INFO L182 omatonBuilderFactory]: Interpolants [631#(and (= 0 |entry_point_#t~ret6.base|) (= 0 |entry_point_#t~ret6.offset|)), 632#(and (= entry_point_~a10~0.base 0) (= entry_point_~a10~0.offset 0)), 637#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 622#true, 638#(and (= |#valid| |old(#valid)|) (= |old(#length)| |#length|)), 623#false, 639#(and (= 0 |ldv_malloc_#res.offset|) (= 0 |ldv_malloc_#res.base|))] [2018-02-04 20:44:38,683 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 20:44:38,683 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-04 20:44:38,683 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-04 20:44:38,683 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-02-04 20:44:38,684 INFO L87 Difference]: Start difference. First operand 78 states and 83 transitions. Second operand 7 states. [2018-02-04 20:44:38,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:44:38,833 INFO L93 Difference]: Finished difference Result 88 states and 95 transitions. [2018-02-04 20:44:38,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 20:44:38,834 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-02-04 20:44:38,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:44:38,835 INFO L225 Difference]: With dead ends: 88 [2018-02-04 20:44:38,835 INFO L226 Difference]: Without dead ends: 86 [2018-02-04 20:44:38,836 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 20:44:38,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-02-04 20:44:38,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 80. [2018-02-04 20:44:38,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-02-04 20:44:38,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 87 transitions. [2018-02-04 20:44:38,841 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 87 transitions. Word has length 19 [2018-02-04 20:44:38,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:44:38,841 INFO L432 AbstractCegarLoop]: Abstraction has 80 states and 87 transitions. [2018-02-04 20:44:38,841 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-04 20:44:38,841 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 87 transitions. [2018-02-04 20:44:38,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-02-04 20:44:38,842 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:44:38,842 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:44:38,842 INFO L371 AbstractCegarLoop]: === Iteration 4 === [alloc_10Err5RequiresViolation, alloc_10Err2RequiresViolation, alloc_10Err3RequiresViolation, alloc_10Err4RequiresViolation, alloc_10Err1RequiresViolation, alloc_10Err0RequiresViolation, mainErr0EnsuresViolation, entry_pointErr5RequiresViolation, entry_pointErr14RequiresViolation, entry_pointErr18RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr23RequiresViolation, entry_pointErr13RequiresViolation, entry_pointErr19RequiresViolation, entry_pointErr6RequiresViolation, entry_pointErr8RequiresViolation, entry_pointErr11RequiresViolation, entry_pointErr3RequiresViolation, entry_pointErr16RequiresViolation, entry_pointErr7RequiresViolation, entry_pointErr12RequiresViolation, entry_pointErr21RequiresViolation, entry_pointErr22RequiresViolation, entry_pointErr15RequiresViolation, entry_pointErr17RequiresViolation, entry_pointErr20RequiresViolation, entry_pointErr4RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr9RequiresViolation, entry_pointErr10RequiresViolation]=== [2018-02-04 20:44:38,842 INFO L82 PathProgramCache]: Analyzing trace with hash 1489811686, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 20:44:38,846 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:44:38,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:44:38,859 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 20:44:38,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:44:38,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:44:38,899 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier WARNING: array quantifier [2018-02-04 20:44:38,901 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:44:38,901 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:44:38,926 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 20:44:38,927 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:44:38,931 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:44:38,931 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-02-04 20:44:38,936 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:44:38,937 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:44:38,938 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 20:44:38,938 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:44:38,939 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:44:38,939 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-02-04 20:44:38,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:44:38,963 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-02-04 20:44:38,979 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 20:44:38,980 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-02-04 20:44:38,980 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:44:38,980 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-02-04 20:44:38,980 INFO L182 omatonBuilderFactory]: Interpolants [817#true, 818#false, 834#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 835#(and (= |#valid| |old(#valid)|) (= |old(#length)| |#length|)), 836#(= 1 (select |#valid| |ldv_malloc_#t~malloc1.base|)), 837#(= 1 (select |#valid| |ldv_malloc_#res.base|)), 838#(= |#valid| |old(#valid)|), 828#(= 1 (select |#valid| |entry_point_#t~ret6.base|)), 829#(= 1 (select |#valid| entry_point_~a10~0.base))] [2018-02-04 20:44:38,980 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-02-04 20:44:38,980 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-04 20:44:38,981 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-04 20:44:38,981 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-02-04 20:44:38,981 INFO L87 Difference]: Start difference. First operand 80 states and 87 transitions. Second operand 9 states. [2018-02-04 20:44:39,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:44:39,206 INFO L93 Difference]: Finished difference Result 98 states and 105 transitions. [2018-02-04 20:44:39,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 20:44:39,207 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2018-02-04 20:44:39,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:44:39,208 INFO L225 Difference]: With dead ends: 98 [2018-02-04 20:44:39,208 INFO L226 Difference]: Without dead ends: 98 [2018-02-04 20:44:39,208 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-02-04 20:44:39,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2018-02-04 20:44:39,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 89. [2018-02-04 20:44:39,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-02-04 20:44:39,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 105 transitions. [2018-02-04 20:44:39,214 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 105 transitions. Word has length 21 [2018-02-04 20:44:39,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:44:39,214 INFO L432 AbstractCegarLoop]: Abstraction has 89 states and 105 transitions. [2018-02-04 20:44:39,214 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-04 20:44:39,214 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 105 transitions. [2018-02-04 20:44:39,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-02-04 20:44:39,215 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:44:39,215 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:44:39,215 INFO L371 AbstractCegarLoop]: === Iteration 5 === [alloc_10Err5RequiresViolation, alloc_10Err2RequiresViolation, alloc_10Err3RequiresViolation, alloc_10Err4RequiresViolation, alloc_10Err1RequiresViolation, alloc_10Err0RequiresViolation, mainErr0EnsuresViolation, entry_pointErr5RequiresViolation, entry_pointErr14RequiresViolation, entry_pointErr18RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr23RequiresViolation, entry_pointErr13RequiresViolation, entry_pointErr19RequiresViolation, entry_pointErr6RequiresViolation, entry_pointErr8RequiresViolation, entry_pointErr11RequiresViolation, entry_pointErr3RequiresViolation, entry_pointErr16RequiresViolation, entry_pointErr7RequiresViolation, entry_pointErr12RequiresViolation, entry_pointErr21RequiresViolation, entry_pointErr22RequiresViolation, entry_pointErr15RequiresViolation, entry_pointErr17RequiresViolation, entry_pointErr20RequiresViolation, entry_pointErr4RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr9RequiresViolation, entry_pointErr10RequiresViolation]=== [2018-02-04 20:44:39,215 INFO L82 PathProgramCache]: Analyzing trace with hash 1489811687, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 20:44:39,218 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:44:39,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:44:39,257 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier Unsupported proof rule: (let ((a!1 (= (+ 0 (* (- 1) (select |old(#length)_15| |ldv_malloc_#t~malloc1.base_9|))) (* (- 1) (select |old(#length)_15| |ldv_malloc_#t~malloc1.base_9|))))) (rewrite a!1)) [2018-02-04 20:44:39,258 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 120 column 542: 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:298) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:222) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.FixedTraceAbstractionRefinementStrategy.getTraceCheck(FixedTraceAbstractionRefinementStrategy.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:205) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:397) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:381) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:316) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:292) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:147) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:119) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-02-04 20:44:39,261 INFO L168 Benchmark]: Toolchain (without parser) took 2378.79 ms. Allocated memory was 403.2 MB in the beginning and 641.7 MB in the end (delta: 238.6 MB). Free memory was 360.0 MB in the beginning and 587.2 MB in the end (delta: -227.2 MB). Peak memory consumption was 11.4 MB. Max. memory is 5.3 GB. [2018-02-04 20:44:39,262 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 403.2 MB. Free memory is still 366.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 20:44:39,263 INFO L168 Benchmark]: CACSL2BoogieTranslator took 155.74 ms. Allocated memory is still 403.2 MB. Free memory was 360.0 MB in the beginning and 346.8 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 5.3 GB. [2018-02-04 20:44:39,263 INFO L168 Benchmark]: Boogie Preprocessor took 25.53 ms. Allocated memory is still 403.2 MB. Free memory was 346.8 MB in the beginning and 345.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. [2018-02-04 20:44:39,264 INFO L168 Benchmark]: RCFGBuilder took 230.73 ms. Allocated memory is still 403.2 MB. Free memory was 345.5 MB in the beginning and 320.8 MB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 5.3 GB. [2018-02-04 20:44:39,264 INFO L168 Benchmark]: TraceAbstraction took 1963.77 ms. Allocated memory was 403.2 MB in the beginning and 641.7 MB in the end (delta: 238.6 MB). Free memory was 320.8 MB in the beginning and 587.2 MB in the end (delta: -266.3 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 20:44:39,266 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 403.2 MB. Free memory is still 366.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 155.74 ms. Allocated memory is still 403.2 MB. Free memory was 360.0 MB in the beginning and 346.8 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 25.53 ms. Allocated memory is still 403.2 MB. Free memory was 346.8 MB in the beginning and 345.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 230.73 ms. Allocated memory is still 403.2 MB. Free memory was 345.5 MB in the beginning and 320.8 MB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1963.77 ms. Allocated memory was 403.2 MB in the beginning and 641.7 MB in the end (delta: 238.6 MB). Free memory was 320.8 MB in the beginning and 587.2 MB in the end (delta: -266.3 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 120 column 542: theory not supported by interpolation or bad proof de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 120 column 542: theory not supported by interpolation or bad proof: de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$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_test10_false-valid-memtrack_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_20-44-39-273.csv Received shutdown request...