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/forester-heap/dll-reverse_true-unreach-call_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c17473d-m [2018-02-04 20:54:33,841 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 20:54:33,842 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 20:54:33,855 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 20:54:33,855 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 20:54:33,856 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 20:54:33,856 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 20:54:33,858 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 20:54:33,859 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 20:54:33,860 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 20:54:33,861 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 20:54:33,861 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 20:54:33,862 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 20:54:33,863 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 20:54:33,863 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 20:54:33,865 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 20:54:33,866 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 20:54:33,868 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 20:54:33,869 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 20:54:33,870 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 20:54:33,871 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-04 20:54:33,872 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-04 20:54:33,872 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-04 20:54:33,873 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-04 20:54:33,873 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-04 20:54:33,874 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-04 20:54:33,874 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-04 20:54:33,875 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-04 20:54:33,875 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-04 20:54:33,875 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-04 20:54:33,875 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-04 20:54:33,876 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 20:54:33,884 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 20:54:33,884 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 20:54:33,885 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 20:54:33,885 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 20:54:33,885 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 20:54:33,886 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 20:54:33,886 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 20:54:33,886 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 20:54:33,886 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 20:54:33,886 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 20:54:33,886 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 20:54:33,886 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 20:54:33,886 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 20:54:33,886 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 20:54:33,886 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 20:54:33,886 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 20:54:33,887 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 20:54:33,887 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 20:54:33,887 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 20:54:33,887 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 20:54:33,887 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 20:54:33,887 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-02-04 20:54:33,887 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-02-04 20:54:33,887 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 20:54:33,913 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 20:54:33,920 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 20:54:33,923 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 20:54:33,924 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 20:54:33,924 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 20:54:33,925 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-reverse_true-unreach-call_true-valid-memsafety.i [2018-02-04 20:54:34,060 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 20:54:34,061 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 20:54:34,062 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 20:54:34,062 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 20:54:34,065 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 20:54:34,066 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 08:54:34" (1/1) ... [2018-02-04 20:54:34,068 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69a9abb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:54:34, skipping insertion in model container [2018-02-04 20:54:34,068 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 08:54:34" (1/1) ... [2018-02-04 20:54:34,078 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 20:54:34,108 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 20:54:34,204 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 20:54:34,223 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 20:54:34,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:54:34 WrapperNode [2018-02-04 20:54:34,231 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 20:54:34,232 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 20:54:34,232 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 20:54:34,232 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 20:54:34,240 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:54:34" (1/1) ... [2018-02-04 20:54:34,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:54:34" (1/1) ... [2018-02-04 20:54:34,248 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:54:34" (1/1) ... [2018-02-04 20:54:34,248 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:54:34" (1/1) ... [2018-02-04 20:54:34,254 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:54:34" (1/1) ... [2018-02-04 20:54:34,257 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:54:34" (1/1) ... [2018-02-04 20:54:34,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:54:34" (1/1) ... [2018-02-04 20:54:34,261 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 20:54:34,261 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 20:54:34,261 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 20:54:34,262 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 20:54:34,262 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:54:34" (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 20:54:34,302 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 20:54:34,302 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 20:54:34,302 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 20:54:34,302 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-04 20:54:34,302 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-04 20:54:34,303 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-04 20:54:34,303 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-04 20:54:34,303 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 20:54:34,303 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 20:54:34,303 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 20:54:34,303 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-04 20:54:34,303 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-04 20:54:34,303 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-04 20:54:34,304 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-02-04 20:54:34,304 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 20:54:34,304 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 20:54:34,304 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 20:54:34,661 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 20:54:34,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 08:54:34 BoogieIcfgContainer [2018-02-04 20:54:34,662 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 20:54:34,663 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 20:54:34,663 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 20:54:34,665 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 20:54:34,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 08:54:34" (1/3) ... [2018-02-04 20:54:34,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@690b9108 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 08:54:34, skipping insertion in model container [2018-02-04 20:54:34,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:54:34" (2/3) ... [2018-02-04 20:54:34,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@690b9108 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 08:54:34, skipping insertion in model container [2018-02-04 20:54:34,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 08:54:34" (3/3) ... [2018-02-04 20:54:34,668 INFO L107 eAbstractionObserver]: Analyzing ICFG dll-reverse_true-unreach-call_true-valid-memsafety.i [2018-02-04 20:54:34,675 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-04 20:54:34,681 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 65 error locations. [2018-02-04 20:54:34,712 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 20:54:34,712 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 20:54:34,713 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-02-04 20:54:34,713 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-04 20:54:34,713 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 20:54:34,713 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 20:54:34,713 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 20:54:34,713 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 20:54:34,714 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 20:54:34,729 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states. [2018-02-04 20:54:34,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-04 20:54:34,736 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:54:34,737 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:54:34,738 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:54:34,742 INFO L82 PathProgramCache]: Analyzing trace with hash 484042676, 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 20:54:34,751 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:54:34,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:54:34,776 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 20:54:34,786 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:54:34,786 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:54:34,787 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:54:34,787 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:54:34,826 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 20:54:34,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:54:34,862 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 20:54:34,880 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:54:34,880 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 20:54:34,881 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:54:34,881 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 20:54:34,881 INFO L182 omatonBuilderFactory]: Interpolants [162#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)), 163#(= 1 (select |#valid| |main_#t~malloc0.base|)), 164#(= 1 (select |#valid| main_~head~0.base)), 165#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 157#true, 158#false] [2018-02-04 20:54:34,882 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 20:54:34,882 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 20:54:34,890 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 20:54:34,891 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-02-04 20:54:34,892 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 6 states. [2018-02-04 20:54:35,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:54:35,251 INFO L93 Difference]: Finished difference Result 164 states and 173 transitions. [2018-02-04 20:54:35,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 20:54:35,252 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 8 [2018-02-04 20:54:35,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:54:35,263 INFO L225 Difference]: With dead ends: 164 [2018-02-04 20:54:35,264 INFO L226 Difference]: Without dead ends: 160 [2018-02-04 20:54:35,265 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=37, Unknown=3, NotChecked=12, Total=72 [2018-02-04 20:54:35,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2018-02-04 20:54:35,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 148. [2018-02-04 20:54:35,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-02-04 20:54:35,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 156 transitions. [2018-02-04 20:54:35,348 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 156 transitions. Word has length 8 [2018-02-04 20:54:35,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:54:35,349 INFO L432 AbstractCegarLoop]: Abstraction has 148 states and 156 transitions. [2018-02-04 20:54:35,349 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 20:54:35,349 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 156 transitions. [2018-02-04 20:54:35,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-04 20:54:35,349 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:54:35,349 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:54:35,349 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:54:35,350 INFO L82 PathProgramCache]: Analyzing trace with hash 484042677, 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 20:54:35,353 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:54:35,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:54:35,360 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 20:54:35,363 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:54:35,363 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:54:35,363 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:54:35,363 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:54:35,368 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 12) (store |c_#length| %1 12)) :qid itp)) :qid itp)) is different from true [2018-02-04 20:54:35,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:54:35,402 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 20:54:35,431 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:54:35,431 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 20:54:35,431 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:54:35,431 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 20:54:35,431 INFO L182 omatonBuilderFactory]: Interpolants [484#true, 485#false, 489#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 12) (store |#length| %1 12)) :qid itp)) :qid itp)), 490#(and (= 0 |main_#t~malloc0.offset|) (= 12 (select |#length| |main_#t~malloc0.base|))), 491#(and (<= (+ main_~head~0.offset 4) (select |#length| main_~head~0.base)) (<= 0 main_~head~0.offset)), 492#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-02-04 20:54:35,432 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 20:54:35,433 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 20:54:35,433 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 20:54:35,433 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-02-04 20:54:35,433 INFO L87 Difference]: Start difference. First operand 148 states and 156 transitions. Second operand 6 states. [2018-02-04 20:54:35,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:54:35,758 INFO L93 Difference]: Finished difference Result 199 states and 212 transitions. [2018-02-04 20:54:35,758 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 20:54:35,758 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 8 [2018-02-04 20:54:35,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:54:35,760 INFO L225 Difference]: With dead ends: 199 [2018-02-04 20:54:35,760 INFO L226 Difference]: Without dead ends: 199 [2018-02-04 20:54:35,761 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=28, Unknown=2, NotChecked=10, Total=56 [2018-02-04 20:54:35,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2018-02-04 20:54:35,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 147. [2018-02-04 20:54:35,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-02-04 20:54:35,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 155 transitions. [2018-02-04 20:54:35,769 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 155 transitions. Word has length 8 [2018-02-04 20:54:35,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:54:35,769 INFO L432 AbstractCegarLoop]: Abstraction has 147 states and 155 transitions. [2018-02-04 20:54:35,769 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 20:54:35,770 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 155 transitions. [2018-02-04 20:54:35,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-02-04 20:54:35,770 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:54:35,770 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:54:35,770 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:54:35,770 INFO L82 PathProgramCache]: Analyzing trace with hash 2120421044, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 20:54:35,774 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:54:35,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:54:35,784 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 20:54:35,787 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:54:35,787 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:54:35,787 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:54:35,787 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:54:35,811 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 12) (store |c_#length| %1 12)) :qid itp)) :qid itp)) is different from true [2018-02-04 20:54:35,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:54:35,836 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 20:54:35,857 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:54:35,857 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 20:54:35,857 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:54:35,858 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 20:54:35,858 INFO L182 omatonBuilderFactory]: Interpolants [848#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 12) (store |#length| %1 12)) :qid itp)) :qid itp)), 849#(and (= 0 |main_#t~malloc0.offset|) (= 12 (select |#length| |main_#t~malloc0.base|))), 850#(and (<= 0 (+ main_~head~0.offset 4)) (<= (+ main_~head~0.offset 8) (select |#length| main_~head~0.base))), 851#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 843#true, 844#false] [2018-02-04 20:54:35,858 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 20:54:35,858 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 20:54:35,858 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 20:54:35,858 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-02-04 20:54:35,858 INFO L87 Difference]: Start difference. First operand 147 states and 155 transitions. Second operand 6 states. [2018-02-04 20:54:36,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:54:36,130 INFO L93 Difference]: Finished difference Result 198 states and 211 transitions. [2018-02-04 20:54:36,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 20:54:36,131 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2018-02-04 20:54:36,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:54:36,132 INFO L225 Difference]: With dead ends: 198 [2018-02-04 20:54:36,132 INFO L226 Difference]: Without dead ends: 198 [2018-02-04 20:54:36,132 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=27, Unknown=3, NotChecked=10, Total=56 [2018-02-04 20:54:36,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2018-02-04 20:54:36,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 146. [2018-02-04 20:54:36,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-02-04 20:54:36,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 154 transitions. [2018-02-04 20:54:36,138 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 154 transitions. Word has length 9 [2018-02-04 20:54:36,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:54:36,139 INFO L432 AbstractCegarLoop]: Abstraction has 146 states and 154 transitions. [2018-02-04 20:54:36,139 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 20:54:36,139 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 154 transitions. [2018-02-04 20:54:36,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-02-04 20:54:36,139 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:54:36,140 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:54:36,140 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:54:36,140 INFO L82 PathProgramCache]: Analyzing trace with hash 1308542872, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 20:54:36,143 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:54:36,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:54:36,151 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 20:54:36,153 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:54:36,153 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:54:36,153 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:54:36,153 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:54:36,158 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 12) (store |c_#length| %1 12)) :qid itp)) :qid itp)) is different from true [2018-02-04 20:54:36,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:54:36,174 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 20:54:36,192 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:54:36,192 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 20:54:36,192 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:54:36,192 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 20:54:36,192 INFO L182 omatonBuilderFactory]: Interpolants [1200#true, 1201#false, 1205#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 12) (store |#length| %1 12)) :qid itp)) :qid itp)), 1206#(and (= 0 |main_#t~malloc0.offset|) (= 12 (select |#length| |main_#t~malloc0.base|))), 1207#(and (<= 0 (+ main_~head~0.offset 8)) (<= (+ main_~head~0.offset 12) (select |#length| main_~head~0.base))), 1208#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-02-04 20:54:36,192 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 20:54:36,193 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 20:54:36,193 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 20:54:36,193 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-02-04 20:54:36,193 INFO L87 Difference]: Start difference. First operand 146 states and 154 transitions. Second operand 6 states. [2018-02-04 20:54:36,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:54:36,401 INFO L93 Difference]: Finished difference Result 197 states and 210 transitions. [2018-02-04 20:54:36,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 20:54:36,401 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2018-02-04 20:54:36,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:54:36,402 INFO L225 Difference]: With dead ends: 197 [2018-02-04 20:54:36,402 INFO L226 Difference]: Without dead ends: 197 [2018-02-04 20:54:36,402 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=27, Unknown=3, NotChecked=10, Total=56 [2018-02-04 20:54:36,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2018-02-04 20:54:36,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 145. [2018-02-04 20:54:36,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-02-04 20:54:36,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 153 transitions. [2018-02-04 20:54:36,407 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 153 transitions. Word has length 10 [2018-02-04 20:54:36,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:54:36,407 INFO L432 AbstractCegarLoop]: Abstraction has 145 states and 153 transitions. [2018-02-04 20:54:36,407 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 20:54:36,407 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 153 transitions. [2018-02-04 20:54:36,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-02-04 20:54:36,407 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:54:36,408 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:54:36,408 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:54:36,408 INFO L82 PathProgramCache]: Analyzing trace with hash 1645542977, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 20:54:36,411 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:54:36,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:54:36,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:54:36,449 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 20:54:36,470 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:54:36,471 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 20:54:36,471 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:54:36,471 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 20:54:36,471 INFO L182 omatonBuilderFactory]: Interpolants [1555#true, 1556#false, 1560#(= 1 (select |#valid| main_~head~0.base)), 1561#(= 1 (select |#valid| main_~x~0.base)), 1562#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-02-04 20:54:36,471 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 20:54:36,471 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 20:54:36,471 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 20:54:36,471 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 20:54:36,472 INFO L87 Difference]: Start difference. First operand 145 states and 153 transitions. Second operand 5 states. [2018-02-04 20:54:36,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:54:36,626 INFO L93 Difference]: Finished difference Result 138 states and 147 transitions. [2018-02-04 20:54:36,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 20:54:36,626 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2018-02-04 20:54:36,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:54:36,627 INFO L225 Difference]: With dead ends: 138 [2018-02-04 20:54:36,627 INFO L226 Difference]: Without dead ends: 138 [2018-02-04 20:54:36,627 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-02-04 20:54:36,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-02-04 20:54:36,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 134. [2018-02-04 20:54:36,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-02-04 20:54:36,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 146 transitions. [2018-02-04 20:54:36,632 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 146 transitions. Word has length 16 [2018-02-04 20:54:36,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:54:36,633 INFO L432 AbstractCegarLoop]: Abstraction has 134 states and 146 transitions. [2018-02-04 20:54:36,633 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 20:54:36,633 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 146 transitions. [2018-02-04 20:54:36,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-02-04 20:54:36,633 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:54:36,633 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:54:36,634 INFO L371 AbstractCegarLoop]: === Iteration 6 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:54:36,634 INFO L82 PathProgramCache]: Analyzing trace with hash 1645542978, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 20:54:36,640 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:54:36,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:54:36,678 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: Unsupported proof rule: (let ((a!1 (= (+ 0 (* (- 1) (select |#length_14| |main_#t~malloc0.base_5|))) (* (- 1) (select |#length_14| |main_#t~malloc0.base_5|))))) (rewrite a!1)) [2018-02-04 20:54:36,679 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 94 column 290: theory not supported by interpolation or bad proof at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1420) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:206) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseInterpolants(Executor.java:255) at de.uni_freiburg.informatik.ultimate.smtsolver.external.ScriptorWithGetInterpolants.readInterpolants(ScriptorWithGetInterpolants.java:136) at de.uni_freiburg.informatik.ultimate.smtsolver.external.ScriptorWithGetInterpolants.getInterpolants(ScriptorWithGetInterpolants.java:64) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.DiffWrapperScript.getInterpolants(DiffWrapperScript.java:260) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:186) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:283) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:164) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:298) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:222) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.FixedTraceAbstractionRefinementStrategy.getTraceCheck(FixedTraceAbstractionRefinementStrategy.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:205) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:397) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:381) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:316) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:292) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:147) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:119) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-02-04 20:54:36,681 INFO L168 Benchmark]: Toolchain (without parser) took 2621.34 ms. Allocated memory was 406.8 MB in the beginning and 656.4 MB in the end (delta: 249.6 MB). Free memory was 363.7 MB in the beginning and 593.6 MB in the end (delta: -229.9 MB). Peak memory consumption was 19.7 MB. Max. memory is 5.3 GB. [2018-02-04 20:54:36,683 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 406.8 MB. Free memory is still 370.3 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 20:54:36,683 INFO L168 Benchmark]: CACSL2BoogieTranslator took 169.48 ms. Allocated memory is still 406.8 MB. Free memory was 363.7 MB in the beginning and 351.7 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 5.3 GB. [2018-02-04 20:54:36,683 INFO L168 Benchmark]: Boogie Preprocessor took 29.38 ms. Allocated memory is still 406.8 MB. Free memory was 351.7 MB in the beginning and 349.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 5.3 GB. [2018-02-04 20:54:36,683 INFO L168 Benchmark]: RCFGBuilder took 400.60 ms. Allocated memory is still 406.8 MB. Free memory was 349.0 MB in the beginning and 308.4 MB in the end (delta: 40.5 MB). Peak memory consumption was 40.5 MB. Max. memory is 5.3 GB. [2018-02-04 20:54:36,684 INFO L168 Benchmark]: TraceAbstraction took 2018.53 ms. Allocated memory was 406.8 MB in the beginning and 656.4 MB in the end (delta: 249.6 MB). Free memory was 308.4 MB in the beginning and 593.6 MB in the end (delta: -285.2 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 20:54:36,686 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 406.8 MB. Free memory is still 370.3 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 169.48 ms. Allocated memory is still 406.8 MB. Free memory was 363.7 MB in the beginning and 351.7 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 29.38 ms. Allocated memory is still 406.8 MB. Free memory was 351.7 MB in the beginning and 349.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 5.3 GB. * RCFGBuilder took 400.60 ms. Allocated memory is still 406.8 MB. Free memory was 349.0 MB in the beginning and 308.4 MB in the end (delta: 40.5 MB). Peak memory consumption was 40.5 MB. Max. memory is 5.3 GB. * TraceAbstraction took 2018.53 ms. Allocated memory was 406.8 MB in the beginning and 656.4 MB in the end (delta: 249.6 MB). Free memory was 308.4 MB in the beginning and 593.6 MB in the end (delta: -285.2 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 94 column 290: theory not supported by interpolation or bad proof de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 94 column 290: theory not supported by interpolation or bad proof: de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1420) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/dll-reverse_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_20-54-36-692.csv Received shutdown request...