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/list-properties/splice_true-unreach-call_false-valid-memtrack.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ccafca9-m [2018-02-04 04:53:45,080 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 04:53:45,081 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 04:53:45,092 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 04:53:45,093 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 04:53:45,093 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 04:53:45,094 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 04:53:45,095 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 04:53:45,097 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 04:53:45,098 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 04:53:45,099 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 04:53:45,099 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 04:53:45,100 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 04:53:45,101 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 04:53:45,101 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 04:53:45,103 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 04:53:45,105 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 04:53:45,107 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 04:53:45,108 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 04:53:45,108 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 04:53:45,110 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-04 04:53:45,111 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-04 04:53:45,111 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-04 04:53:45,112 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-04 04:53:45,112 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-04 04:53:45,113 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-04 04:53:45,113 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-04 04:53:45,114 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-04 04:53:45,114 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-04 04:53:45,114 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-04 04:53:45,115 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-04 04:53:45,115 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 04:53:45,124 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 04:53:45,125 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 04:53:45,125 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 04:53:45,126 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 04:53:45,126 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 04:53:45,126 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 04:53:45,126 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 04:53:45,126 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 04:53:45,126 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 04:53:45,126 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 04:53:45,127 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 04:53:45,127 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 04:53:45,127 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 04:53:45,127 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-04 04:53:45,127 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 04:53:45,127 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 04:53:45,127 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 04:53:45,128 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 04:53:45,128 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 04:53:45,128 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 04:53:45,128 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 04:53:45,128 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 04:53:45,128 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-02-04 04:53:45,129 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-02-04 04:53:45,129 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:53:45,157 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 04:53:45,165 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 04:53:45,167 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 04:53:45,168 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 04:53:45,168 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 04:53:45,169 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-properties/splice_true-unreach-call_false-valid-memtrack.i [2018-02-04 04:53:45,278 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 04:53:45,279 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 04:53:45,279 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 04:53:45,279 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 04:53:45,283 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 04:53:45,283 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:53:45" (1/1) ... [2018-02-04 04:53:45,285 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a67664e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:53:45, skipping insertion in model container [2018-02-04 04:53:45,286 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:53:45" (1/1) ... [2018-02-04 04:53:45,295 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 04:53:45,322 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 04:53:45,415 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 04:53:45,434 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 04:53:45,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:53:45 WrapperNode [2018-02-04 04:53:45,440 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 04:53:45,441 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 04:53:45,441 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 04:53:45,441 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 04:53:45,452 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:53:45" (1/1) ... [2018-02-04 04:53:45,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:53:45" (1/1) ... [2018-02-04 04:53:45,458 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:53:45" (1/1) ... [2018-02-04 04:53:45,459 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:53:45" (1/1) ... [2018-02-04 04:53:45,463 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:53:45" (1/1) ... [2018-02-04 04:53:45,466 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:53:45" (1/1) ... [2018-02-04 04:53:45,468 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:53:45" (1/1) ... [2018-02-04 04:53:45,469 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 04:53:45,470 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 04:53:45,470 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 04:53:45,470 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 04:53:45,471 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:53:45" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 04:53:45,509 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 04:53:45,510 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 04:53:45,510 INFO L136 BoogieDeclarations]: Found implementation of procedure exit [2018-02-04 04:53:45,510 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 04:53:45,510 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-04 04:53:45,510 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-04 04:53:45,510 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-04 04:53:45,510 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-04 04:53:45,511 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 04:53:45,511 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 04:53:45,511 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 04:53:45,511 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-02-04 04:53:45,511 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-04 04:53:45,511 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-04 04:53:45,511 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-02-04 04:53:45,511 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 04:53:45,511 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 04:53:45,511 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 04:53:45,770 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 04:53:45,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:53:45 BoogieIcfgContainer [2018-02-04 04:53:45,771 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 04:53:45,772 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 04:53:45,772 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 04:53:45,774 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 04:53:45,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 04:53:45" (1/3) ... [2018-02-04 04:53:45,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d0179e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:53:45, skipping insertion in model container [2018-02-04 04:53:45,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:53:45" (2/3) ... [2018-02-04 04:53:45,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d0179e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:53:45, skipping insertion in model container [2018-02-04 04:53:45,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:53:45" (3/3) ... [2018-02-04 04:53:45,776 INFO L107 eAbstractionObserver]: Analyzing ICFG splice_true-unreach-call_false-valid-memtrack.i [2018-02-04 04:53:45,782 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-04 04:53:45,786 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 29 error locations. [2018-02-04 04:53:45,809 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 04:53:45,809 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 04:53:45,809 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-02-04 04:53:45,809 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-04 04:53:45,809 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 04:53:45,810 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 04:53:45,810 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 04:53:45,810 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 04:53:45,810 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 04:53:45,822 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states. [2018-02-04 04:53:45,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-02-04 04:53:45,830 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:53:45,831 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:53:45,831 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 04:53:45,835 INFO L82 PathProgramCache]: Analyzing trace with hash 26423453, 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 04:53:45,846 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:53:45,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:53:45,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:53:45,898 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 04:53:45,930 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:53:45,930 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 04:53:45,931 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:53:45,932 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 04:53:45,932 INFO L182 omatonBuilderFactory]: Interpolants [98#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 93#true, 94#false] [2018-02-04 04:53:45,932 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 04:53:45,933 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-02-04 04:53:45,944 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-02-04 04:53:45,944 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-04 04:53:45,946 INFO L87 Difference]: Start difference. First operand 90 states. Second operand 3 states. [2018-02-04 04:53:46,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:53:46,121 INFO L93 Difference]: Finished difference Result 90 states and 98 transitions. [2018-02-04 04:53:46,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-02-04 04:53:46,123 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-02-04 04:53:46,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:53:46,129 INFO L225 Difference]: With dead ends: 90 [2018-02-04 04:53:46,129 INFO L226 Difference]: Without dead ends: 82 [2018-02-04 04:53:46,131 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-04 04:53:46,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-02-04 04:53:46,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2018-02-04 04:53:46,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-02-04 04:53:46,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 88 transitions. [2018-02-04 04:53:46,160 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 88 transitions. Word has length 12 [2018-02-04 04:53:46,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:53:46,161 INFO L432 AbstractCegarLoop]: Abstraction has 82 states and 88 transitions. [2018-02-04 04:53:46,161 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-02-04 04:53:46,161 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 88 transitions. [2018-02-04 04:53:46,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-02-04 04:53:46,161 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:53:46,162 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:53:46,162 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 04:53:46,162 INFO L82 PathProgramCache]: Analyzing trace with hash -378065087, 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 04:53:46,165 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:53:46,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:53:46,176 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 04:53:46,180 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:53:46,180 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:53:46,181 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:53:46,181 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:53:46,257 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |c_#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)) is different from true [2018-02-04 04:53:46,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:53:46,277 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 04:53:46,295 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:53:46,296 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-04 04:53:46,296 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:53:46,296 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 04:53:46,296 INFO L182 omatonBuilderFactory]: Interpolants [272#false, 276#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)), 277#(= 1 (select |#valid| |main_#t~malloc0.base|)), 278#(= 1 (select |#valid| main_~a~0.base)), 279#(= 1 (select |#valid| main_~p~0.base)), 280#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 271#true] [2018-02-04 04:53:46,296 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 04:53:46,298 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-04 04:53:46,298 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-04 04:53:46,298 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=22, Unknown=1, NotChecked=8, Total=42 [2018-02-04 04:53:46,298 INFO L87 Difference]: Start difference. First operand 82 states and 88 transitions. Second operand 7 states. [2018-02-04 04:53:46,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:53:46,533 INFO L93 Difference]: Finished difference Result 91 states and 98 transitions. [2018-02-04 04:53:46,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 04:53:46,533 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2018-02-04 04:53:46,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:53:46,534 INFO L225 Difference]: With dead ends: 91 [2018-02-04 04:53:46,534 INFO L226 Difference]: Without dead ends: 91 [2018-02-04 04:53:46,535 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=50, Unknown=2, NotChecked=14, Total=90 [2018-02-04 04:53:46,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-02-04 04:53:46,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 85. [2018-02-04 04:53:46,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-02-04 04:53:46,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 97 transitions. [2018-02-04 04:53:46,541 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 97 transitions. Word has length 14 [2018-02-04 04:53:46,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:53:46,541 INFO L432 AbstractCegarLoop]: Abstraction has 85 states and 97 transitions. [2018-02-04 04:53:46,541 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-04 04:53:46,541 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 97 transitions. [2018-02-04 04:53:46,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-02-04 04:53:46,542 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:53:46,542 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:53:46,542 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 04:53:46,542 INFO L82 PathProgramCache]: Analyzing trace with hash -378065086, 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 04:53:46,546 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:53:46,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:53:46,582 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 04:53:46,583 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 90 column 276: Sort mismatch at argument #1 for function (declare-fun >= (Int Int) Bool) supplied sort is Bool at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1420) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:206) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseInterpolants(Executor.java:255) at de.uni_freiburg.informatik.ultimate.smtsolver.external.ScriptorWithGetInterpolants.readInterpolants(ScriptorWithGetInterpolants.java:136) at de.uni_freiburg.informatik.ultimate.smtsolver.external.ScriptorWithGetInterpolants.getInterpolants(ScriptorWithGetInterpolants.java:64) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.DiffWrapperScript.getInterpolants(DiffWrapperScript.java:260) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:186) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:283) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:164) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:294) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:196) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:222) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.FixedTraceAbstractionRefinementStrategy.getTraceCheck(FixedTraceAbstractionRefinementStrategy.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:205) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:397) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:381) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:316) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:292) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:147) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:119) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-02-04 04:53:46,586 INFO L168 Benchmark]: Toolchain (without parser) took 1307.66 ms. Allocated memory was 400.6 MB in the beginning and 605.6 MB in the end (delta: 205.0 MB). Free memory was 357.4 MB in the beginning and 534.0 MB in the end (delta: -176.6 MB). Peak memory consumption was 28.4 MB. Max. memory is 5.3 GB. [2018-02-04 04:53:46,587 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 400.6 MB. Free memory is still 364.0 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 04:53:46,588 INFO L168 Benchmark]: CACSL2BoogieTranslator took 161.27 ms. Allocated memory is still 400.6 MB. Free memory was 357.4 MB in the beginning and 346.9 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. [2018-02-04 04:53:46,588 INFO L168 Benchmark]: Boogie Preprocessor took 28.77 ms. Allocated memory is still 400.6 MB. Free memory was 346.9 MB in the beginning and 344.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 5.3 GB. [2018-02-04 04:53:46,589 INFO L168 Benchmark]: RCFGBuilder took 301.24 ms. Allocated memory is still 400.6 MB. Free memory was 344.2 MB in the beginning and 316.5 MB in the end (delta: 27.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 5.3 GB. [2018-02-04 04:53:46,589 INFO L168 Benchmark]: TraceAbstraction took 813.85 ms. Allocated memory was 400.6 MB in the beginning and 605.6 MB in the end (delta: 205.0 MB). Free memory was 316.5 MB in the beginning and 534.0 MB in the end (delta: -217.4 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 04:53:46,591 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 400.6 MB. Free memory is still 364.0 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 161.27 ms. Allocated memory is still 400.6 MB. Free memory was 357.4 MB in the beginning and 346.9 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 28.77 ms. Allocated memory is still 400.6 MB. Free memory was 346.9 MB in the beginning and 344.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 5.3 GB. * RCFGBuilder took 301.24 ms. Allocated memory is still 400.6 MB. Free memory was 344.2 MB in the beginning and 316.5 MB in the end (delta: 27.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 813.85 ms. Allocated memory was 400.6 MB in the beginning and 605.6 MB in the end (delta: 205.0 MB). Free memory was 316.5 MB in the beginning and 534.0 MB in the end (delta: -217.4 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 90 column 276: Sort mismatch at argument #1 for function (declare-fun >= (Int Int) Bool) supplied sort is Bool de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 90 column 276: Sort mismatch at argument #1 for function (declare-fun >= (Int Int) Bool) supplied sort is Bool: de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1420) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/splice_true-unreach-call_false-valid-memtrack.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_04-53-46-599.csv Received shutdown request...