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/array-memsafety/stroeder2-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c17473d-m [2018-02-04 20:22:14,629 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 20:22:14,630 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 20:22:14,642 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 20:22:14,643 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 20:22:14,644 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 20:22:14,644 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 20:22:14,646 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 20:22:14,648 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 20:22:14,649 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 20:22:14,649 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-02-04 20:22:14,666 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 20:22:14,675 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 20:22:14,676 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 20:22:14,677 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 20:22:14,677 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 20:22:14,677 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 20:22:14,677 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 20:22:14,677 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 20:22:14,677 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 20:22:14,677 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 20:22:14,678 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 20:22:14,678 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 20:22:14,678 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 20:22:14,678 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 20:22:14,678 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 20:22:14,678 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 20:22:14,679 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 20:22:14,679 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 20:22:14,679 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 20:22:14,679 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 20:22:14,679 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 20:22:14,679 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 20:22:14,679 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-02-04 20:22:14,680 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-02-04 20:22:14,680 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 20:22:14,706 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 20:22:14,716 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 20:22:14,720 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 20:22:14,721 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 20:22:14,722 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 20:22:14,722 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/stroeder2-alloca_true-valid-memsafety_true-termination.i [2018-02-04 20:22:14,856 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 20:22:14,857 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 20:22:14,857 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 20:22:14,857 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 20:22:14,862 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 20:22:14,863 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 08:22:14" (1/1) ... [2018-02-04 20:22:14,865 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 08:22:14, skipping insertion in model container [2018-02-04 20:22:14,865 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 08:22:14" (1/1) ... [2018-02-04 20:22:14,875 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 20:22:14,903 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 20:22:14,982 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 20:22:14,993 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 20:22:14,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:22:14 WrapperNode [2018-02-04 20:22:14,997 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 20:22:14,997 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 20:22:14,997 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 20:22:14,997 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 20:22:15,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:22:14" (1/1) ... [2018-02-04 20:22:15,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:22:14" (1/1) ... [2018-02-04 20:22:15,014 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:22:14" (1/1) ... [2018-02-04 20:22:15,014 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:22:14" (1/1) ... [2018-02-04 20:22:15,017 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:22:14" (1/1) ... [2018-02-04 20:22:15,019 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:22:14" (1/1) ... [2018-02-04 20:22:15,020 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:22:14" (1/1) ... [2018-02-04 20:22:15,022 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 20:22:15,022 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 20:22:15,022 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 20:22:15,023 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 20:22:15,023 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:22:14" (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 20:22:15,060 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 20:22:15,060 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 20:22:15,060 INFO L136 BoogieDeclarations]: Found implementation of procedure sumOfThirdBytes [2018-02-04 20:22:15,060 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 20:22:15,060 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-04 20:22:15,060 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-04 20:22:15,060 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 20:22:15,061 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 20:22:15,061 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 20:22:15,061 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-04 20:22:15,061 INFO L128 BoogieDeclarations]: Found specification of procedure sumOfThirdBytes [2018-02-04 20:22:15,061 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 20:22:15,061 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 20:22:15,061 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 20:22:15,181 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 20:22:15,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 08:22:15 BoogieIcfgContainer [2018-02-04 20:22:15,181 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 20:22:15,182 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 20:22:15,182 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 20:22:15,183 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 20:22:15,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 08:22:14" (1/3) ... [2018-02-04 20:22:15,184 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25e9fdc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 08:22:15, skipping insertion in model container [2018-02-04 20:22:15,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:22:14" (2/3) ... [2018-02-04 20:22:15,184 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25e9fdc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 08:22:15, skipping insertion in model container [2018-02-04 20:22:15,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 08:22:15" (3/3) ... [2018-02-04 20:22:15,186 INFO L107 eAbstractionObserver]: Analyzing ICFG stroeder2-alloca_true-valid-memsafety_true-termination.i [2018-02-04 20:22:15,191 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-04 20:22:15,195 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2018-02-04 20:22:15,218 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 20:22:15,218 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 20:22:15,218 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-02-04 20:22:15,218 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-04 20:22:15,218 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 20:22:15,218 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 20:22:15,219 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 20:22:15,219 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 20:22:15,219 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 20:22:15,227 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2018-02-04 20:22:15,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-02-04 20:22:15,233 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:22:15,234 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:22:15,234 INFO L371 AbstractCegarLoop]: === Iteration 1 === [sumOfThirdBytesErr1RequiresViolation, sumOfThirdBytesErr4RequiresViolation, sumOfThirdBytesErr5RequiresViolation, sumOfThirdBytesErr0RequiresViolation, sumOfThirdBytesErr3RequiresViolation, sumOfThirdBytesErr2RequiresViolation, mainErr0EnsuresViolation]=== [2018-02-04 20:22:15,237 INFO L82 PathProgramCache]: Analyzing trace with hash -55325045, 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 20:22:15,255 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:22:15,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:22:15,278 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 20:22:15,286 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:22:15,287 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:22:15,287 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:22:15,287 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:22:15,316 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 20:22:15,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:22:15,411 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 20:22:15,431 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:22:15,431 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-02-04 20:22:15,432 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:22:15,432 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 20:22:15,432 INFO L182 omatonBuilderFactory]: Interpolants [48#(= 1 (select |#valid| main_~numbers~0.base)), 49#(= 1 (select |#valid| |sumOfThirdBytes_#in~numbers.base|)), 50#(= 1 (select |#valid| |sumOfThirdBytes_~#numbers.base|)), 51#(= 1 (select |#valid| sumOfThirdBytes_~p~0.base)), 52#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 41#true, 42#false, 46#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)), 47#(= 1 (select |#valid| |main_#t~malloc6.base|))] [2018-02-04 20:22:15,432 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 20:22:15,433 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-04 20:22:15,441 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-04 20:22:15,441 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=44, Unknown=1, NotChecked=12, Total=72 [2018-02-04 20:22:15,443 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 9 states. [2018-02-04 20:22:15,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:22:15,785 INFO L93 Difference]: Finished difference Result 71 states and 77 transitions. [2018-02-04 20:22:15,785 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-02-04 20:22:15,786 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 15 [2018-02-04 20:22:15,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:22:15,795 INFO L225 Difference]: With dead ends: 71 [2018-02-04 20:22:15,795 INFO L226 Difference]: Without dead ends: 68 [2018-02-04 20:22:15,797 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=135, Unknown=6, NotChecked=24, Total=210 [2018-02-04 20:22:15,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-02-04 20:22:15,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 52. [2018-02-04 20:22:15,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-02-04 20:22:15,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 60 transitions. [2018-02-04 20:22:15,830 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 60 transitions. Word has length 15 [2018-02-04 20:22:15,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:22:15,830 INFO L432 AbstractCegarLoop]: Abstraction has 52 states and 60 transitions. [2018-02-04 20:22:15,830 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-04 20:22:15,830 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 60 transitions. [2018-02-04 20:22:15,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-02-04 20:22:15,831 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:22:15,831 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:22:15,831 INFO L371 AbstractCegarLoop]: === Iteration 2 === [sumOfThirdBytesErr1RequiresViolation, sumOfThirdBytesErr4RequiresViolation, sumOfThirdBytesErr5RequiresViolation, sumOfThirdBytesErr0RequiresViolation, sumOfThirdBytesErr3RequiresViolation, sumOfThirdBytesErr2RequiresViolation, mainErr0EnsuresViolation]=== [2018-02-04 20:22:15,832 INFO L82 PathProgramCache]: Analyzing trace with hash -55325044, 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 20:22:15,835 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:22:15,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:22:15,875 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier WARNING: array quantifier [2018-02-04 20:22:15,876 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 88 column 350: 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: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$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-02-04 20:22:15,879 INFO L168 Benchmark]: Toolchain (without parser) took 1023.02 ms. Allocated memory is still 407.9 MB. Free memory was 366.1 MB in the beginning and 260.5 MB in the end (delta: 105.6 MB). Peak memory consumption was 105.6 MB. Max. memory is 5.3 GB. [2018-02-04 20:22:15,880 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 407.9 MB. Free memory is still 371.4 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 20:22:15,881 INFO L168 Benchmark]: CACSL2BoogieTranslator took 139.76 ms. Allocated memory is still 407.9 MB. Free memory was 364.8 MB in the beginning and 355.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 5.3 GB. [2018-02-04 20:22:15,881 INFO L168 Benchmark]: Boogie Preprocessor took 24.90 ms. Allocated memory is still 407.9 MB. Free memory was 355.5 MB in the beginning and 352.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-02-04 20:22:15,881 INFO L168 Benchmark]: RCFGBuilder took 159.00 ms. Allocated memory is still 407.9 MB. Free memory was 352.8 MB in the beginning and 336.1 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 5.3 GB. [2018-02-04 20:22:15,882 INFO L168 Benchmark]: TraceAbstraction took 696.89 ms. Allocated memory is still 407.9 MB. Free memory was 336.1 MB in the beginning and 260.5 MB in the end (delta: 75.6 MB). Peak memory consumption was 75.6 MB. Max. memory is 5.3 GB. [2018-02-04 20:22:15,884 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 407.9 MB. Free memory is still 371.4 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 139.76 ms. Allocated memory is still 407.9 MB. Free memory was 364.8 MB in the beginning and 355.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 24.90 ms. Allocated memory is still 407.9 MB. Free memory was 355.5 MB in the beginning and 352.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 159.00 ms. Allocated memory is still 407.9 MB. Free memory was 352.8 MB in the beginning and 336.1 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 5.3 GB. * TraceAbstraction took 696.89 ms. Allocated memory is still 407.9 MB. Free memory was 336.1 MB in the beginning and 260.5 MB in the end (delta: 75.6 MB). Peak memory consumption was 75.6 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 88 column 350: 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 88 column 350: 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/stroeder2-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_20-22-15-892.csv Received shutdown request...