java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cav18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf -i ../../../trunk/examples/svcomp/list-properties/simple_true-unreach-call_false-valid-memtrack.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-26d9e06-m [2018-02-02 11:09:25,749 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-02 11:09:25,750 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-02 11:09:25,759 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-02 11:09:25,759 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-02 11:09:25,760 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-02 11:09:25,761 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-02 11:09:25,763 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-02 11:09:25,764 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-02 11:09:25,765 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-02 11:09:25,766 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-02 11:09:25,766 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-02 11:09:25,767 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-02 11:09:25,768 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-02 11:09:25,768 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-02 11:09:25,770 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-02 11:09:25,772 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-02 11:09:25,773 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-02 11:09:25,774 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-02 11:09:25,774 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-02 11:09:25,776 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-02 11:09:25,776 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-02 11:09:25,776 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-02 11:09:25,777 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-02 11:09:25,778 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-02 11:09:25,779 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-02 11:09:25,779 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-02 11:09:25,779 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-02 11:09:25,779 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-02 11:09:25,780 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-02 11:09:25,780 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-02 11:09:25,780 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cav18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf [2018-02-02 11:09:25,790 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-02 11:09:25,790 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-02 11:09:25,791 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-02 11:09:25,791 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-02 11:09:25,791 INFO L133 SettingsManager]: * Use SBE=true [2018-02-02 11:09:25,792 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-02 11:09:25,792 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-02 11:09:25,792 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-02 11:09:25,792 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-02 11:09:25,792 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-02 11:09:25,792 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-02 11:09:25,792 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-02 11:09:25,793 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-02 11:09:25,793 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-02 11:09:25,793 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-02 11:09:25,793 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-02 11:09:25,793 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-02 11:09:25,793 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-02 11:09:25,794 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-02 11:09:25,794 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-02 11:09:25,794 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-02 11:09:25,794 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-02 11:09:25,794 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-02-02 11:09:25,794 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-02-02 11:09:25,794 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-02 11:09:25,822 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-02 11:09:25,832 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-02 11:09:25,835 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-02 11:09:25,836 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-02 11:09:25,837 INFO L276 PluginConnector]: CDTParser initialized [2018-02-02 11:09:25,837 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-properties/simple_true-unreach-call_false-valid-memtrack.i [2018-02-02 11:09:25,973 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-02 11:09:25,974 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-02 11:09:25,974 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-02 11:09:25,975 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-02 11:09:25,980 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-02 11:09:25,981 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 11:09:25" (1/1) ... [2018-02-02 11:09:25,983 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40ee07db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 11:09:25, skipping insertion in model container [2018-02-02 11:09:25,984 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 11:09:25" (1/1) ... [2018-02-02 11:09:25,997 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 11:09:26,024 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 11:09:26,116 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 11:09:26,128 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 11:09:26,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 11:09:26 WrapperNode [2018-02-02 11:09:26,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-02 11:09:26,132 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-02 11:09:26,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-02 11:09:26,132 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-02 11:09:26,141 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 11:09:26" (1/1) ... [2018-02-02 11:09:26,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 11:09:26" (1/1) ... [2018-02-02 11:09:26,150 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 11:09:26" (1/1) ... [2018-02-02 11:09:26,150 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 11:09:26" (1/1) ... [2018-02-02 11:09:26,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 11:09:26" (1/1) ... [2018-02-02 11:09:26,155 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 11:09:26" (1/1) ... [2018-02-02 11:09:26,156 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 11:09:26" (1/1) ... [2018-02-02 11:09:26,157 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-02 11:09:26,158 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-02 11:09:26,158 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-02 11:09:26,158 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-02 11:09:26,159 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 11:09:26" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-02 11:09:26,195 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-02 11:09:26,195 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-02 11:09:26,196 INFO L136 BoogieDeclarations]: Found implementation of procedure exit [2018-02-02 11:09:26,196 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-02 11:09:26,196 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-02 11:09:26,196 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-02 11:09:26,196 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-02 11:09:26,196 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-02 11:09:26,196 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-02 11:09:26,196 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-02 11:09:26,196 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-02 11:09:26,196 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-02-02 11:09:26,196 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-02 11:09:26,196 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-02 11:09:26,197 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-02-02 11:09:26,197 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-02 11:09:26,197 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-02 11:09:26,197 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-02 11:09:26,339 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-02 11:09:26,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 11:09:26 BoogieIcfgContainer [2018-02-02 11:09:26,340 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-02 11:09:26,341 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-02 11:09:26,341 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-02 11:09:26,343 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-02 11:09:26,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 11:09:25" (1/3) ... [2018-02-02 11:09:26,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56d67f34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 11:09:26, skipping insertion in model container [2018-02-02 11:09:26,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 11:09:26" (2/3) ... [2018-02-02 11:09:26,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56d67f34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 11:09:26, skipping insertion in model container [2018-02-02 11:09:26,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 11:09:26" (3/3) ... [2018-02-02 11:09:26,345 INFO L107 eAbstractionObserver]: Analyzing ICFG simple_true-unreach-call_false-valid-memtrack.i [2018-02-02 11:09:26,351 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-02 11:09:26,355 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-02-02 11:09:26,385 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-02 11:09:26,386 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-02 11:09:26,386 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-02-02 11:09:26,386 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-02 11:09:26,386 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-02 11:09:26,386 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-02 11:09:26,386 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-02 11:09:26,386 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-02 11:09:26,386 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-02 11:09:26,394 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states. [2018-02-02 11:09:26,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-02-02 11:09:26,402 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 11:09:26,403 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 11:09:26,403 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr14EnsuresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation]=== [2018-02-02 11:09:26,408 INFO L82 PathProgramCache]: Analyzing trace with hash 33713669, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-02 11:09:26,419 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 11:09:26,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 11:09:26,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 11:09:26,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 11:09:26,511 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 11:09:26,511 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-02 11:09:26,512 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 11:09:26,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 11:09:26,512 INFO L182 omatonBuilderFactory]: Interpolants [56#true, 57#false, 61#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-02-02 11:09:26,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 11:09:26,513 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-02-02 11:09:26,520 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-02-02 11:09:26,520 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-02 11:09:26,522 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 3 states. [2018-02-02 11:09:26,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 11:09:26,621 INFO L93 Difference]: Finished difference Result 53 states and 55 transitions. [2018-02-02 11:09:26,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-02-02 11:09:26,622 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-02-02 11:09:26,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 11:09:26,629 INFO L225 Difference]: With dead ends: 53 [2018-02-02 11:09:26,630 INFO L226 Difference]: Without dead ends: 45 [2018-02-02 11:09:26,631 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 [2018-02-02 11:09:26,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-02-02 11:09:26,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-02-02 11:09:26,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-02-02 11:09:26,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 46 transitions. [2018-02-02 11:09:26,663 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 46 transitions. Word has length 11 [2018-02-02 11:09:26,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 11:09:26,663 INFO L432 AbstractCegarLoop]: Abstraction has 45 states and 46 transitions. [2018-02-02 11:09:26,663 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-02-02 11:09:26,664 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2018-02-02 11:09:26,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-02-02 11:09:26,664 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 11:09:26,664 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 11:09:26,665 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr14EnsuresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation]=== [2018-02-02 11:09:26,665 INFO L82 PathProgramCache]: Analyzing trace with hash -1961763874, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-02 11:09:26,669 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 11:09:26,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 11:09:26,692 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-02 11:09:26,696 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-02 11:09:26,696 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-02 11:09:26,697 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-02 11:09:26,698 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-02 11:09:26,732 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 [2018-02-02 11:09:26,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 11:09:26,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 11:09:26,783 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 11:09:26,783 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-02 11:09:26,783 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 11:09:26,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 11:09:26,784 INFO L182 omatonBuilderFactory]: Interpolants [160#true, 161#false, 165#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)), 166#(= 1 (select |#valid| |main_#t~malloc0.base|)), 167#(= 1 (select |#valid| main_~a~0.base)), 168#(= 1 (select |#valid| main_~p~0.base)), 169#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-02-02 11:09:26,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 11:09:26,785 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-02 11:09:26,785 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-02 11:09:26,786 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=22, Unknown=1, NotChecked=8, Total=42 [2018-02-02 11:09:26,786 INFO L87 Difference]: Start difference. First operand 45 states and 46 transitions. Second operand 7 states. [2018-02-02 11:09:27,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 11:09:27,021 INFO L93 Difference]: Finished difference Result 55 states and 57 transitions. [2018-02-02 11:09:27,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-02 11:09:27,021 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2018-02-02 11:09:27,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 11:09:27,022 INFO L225 Difference]: With dead ends: 55 [2018-02-02 11:09:27,022 INFO L226 Difference]: Without dead ends: 55 [2018-02-02 11:09:27,023 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=50, Unknown=2, NotChecked=14, Total=90 [2018-02-02 11:09:27,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-02-02 11:09:27,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 49. [2018-02-02 11:09:27,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-02-02 11:09:27,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 55 transitions. [2018-02-02 11:09:27,027 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 55 transitions. Word has length 13 [2018-02-02 11:09:27,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 11:09:27,028 INFO L432 AbstractCegarLoop]: Abstraction has 49 states and 55 transitions. [2018-02-02 11:09:27,028 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-02 11:09:27,028 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2018-02-02 11:09:27,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-02-02 11:09:27,028 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 11:09:27,028 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 11:09:27,028 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr14EnsuresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation]=== [2018-02-02 11:09:27,029 INFO L82 PathProgramCache]: Analyzing trace with hash -1961763873, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-02 11:09:27,032 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 11:09:27,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 11:09:27,067 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-02 11:09:27,068 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 80 column 269: Sort mismatch at argument #1 for function (declare-fun >= (Int Int) Bool) supplied sort is Bool at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1420) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:206) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseInterpolants(Executor.java:255) at de.uni_freiburg.informatik.ultimate.smtsolver.external.ScriptorWithGetInterpolants.readInterpolants(ScriptorWithGetInterpolants.java:136) at de.uni_freiburg.informatik.ultimate.smtsolver.external.ScriptorWithGetInterpolants.getInterpolants(ScriptorWithGetInterpolants.java:64) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.DiffWrapperScript.getInterpolants(DiffWrapperScript.java:260) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:186) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:283) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:164) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:294) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:196) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:222) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.FixedTraceAbstractionRefinementStrategy.getTraceCheck(FixedTraceAbstractionRefinementStrategy.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:205) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:397) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:381) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:316) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:292) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:147) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:119) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-02-02 11:09:27,071 INFO L168 Benchmark]: Toolchain (without parser) took 1098.22 ms. Allocated memory was 403.2 MB in the beginning and 610.3 MB in the end (delta: 207.1 MB). Free memory was 361.4 MB in the beginning and 562.6 MB in the end (delta: -201.2 MB). Peak memory consumption was 5.8 MB. Max. memory is 5.3 GB. [2018-02-02 11:09:27,072 INFO L168 Benchmark]: CDTParser took 0.15 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. [2018-02-02 11:09:27,073 INFO L168 Benchmark]: CACSL2BoogieTranslator took 157.68 ms. Allocated memory is still 403.2 MB. Free memory was 360.1 MB in the beginning and 349.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 5.3 GB. [2018-02-02 11:09:27,073 INFO L168 Benchmark]: Boogie Preprocessor took 25.32 ms. Allocated memory is still 403.2 MB. Free memory was 349.4 MB in the beginning and 348.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. [2018-02-02 11:09:27,074 INFO L168 Benchmark]: RCFGBuilder took 182.14 ms. Allocated memory is still 403.2 MB. Free memory was 348.1 MB in the beginning and 327.4 MB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 5.3 GB. [2018-02-02 11:09:27,074 INFO L168 Benchmark]: TraceAbstraction took 730.06 ms. Allocated memory was 403.2 MB in the beginning and 610.3 MB in the end (delta: 207.1 MB). Free memory was 327.4 MB in the beginning and 562.6 MB in the end (delta: -235.2 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-02-02 11:09:27,076 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 157.68 ms. Allocated memory is still 403.2 MB. Free memory was 360.1 MB in the beginning and 349.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 25.32 ms. Allocated memory is still 403.2 MB. Free memory was 349.4 MB in the beginning and 348.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 182.14 ms. Allocated memory is still 403.2 MB. Free memory was 348.1 MB in the beginning and 327.4 MB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 5.3 GB. * TraceAbstraction took 730.06 ms. Allocated memory was 403.2 MB in the beginning and 610.3 MB in the end (delta: 207.1 MB). Free memory was 327.4 MB in the beginning and 562.6 MB in the end (delta: -235.2 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 80 column 269: 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 80 column 269: 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/simple_true-unreach-call_false-valid-memtrack.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-02_11-09-27-084.csv Received shutdown request...