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-rb-sentinel_true-unreach-call_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ccafca9-m [2018-02-04 04:54:32,077 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 04:54:32,078 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 04:54:32,089 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 04:54:32,089 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 04:54:32,090 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 04:54:32,091 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 04:54:32,092 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 04:54:32,093 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 04:54:32,094 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 04:54:32,094 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 04:54:32,094 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 04:54:32,095 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 04:54:32,096 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 04:54:32,097 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 04:54:32,098 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 04:54:32,100 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 04:54:32,101 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 04:54:32,102 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 04:54:32,103 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 04:54:32,105 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-04 04:54:32,105 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-04 04:54:32,105 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-04 04:54:32,106 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-04 04:54:32,107 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-04 04:54:32,108 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-04 04:54:32,108 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-04 04:54:32,108 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-04 04:54:32,109 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-04 04:54:32,109 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-04 04:54:32,109 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-04 04:54:32,109 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf [2018-02-04 04:54:32,118 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 04:54:32,119 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 04:54:32,120 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 04:54:32,120 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 04:54:32,120 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 04:54:32,120 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 04:54:32,120 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 04:54:32,120 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 04:54:32,120 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 04:54:32,121 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 04:54:32,121 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 04:54:32,121 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 04:54:32,121 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 04:54:32,121 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-04 04:54:32,121 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 04:54:32,121 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 04:54:32,122 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 04:54:32,122 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 04:54:32,122 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 04:54:32,122 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 04:54:32,122 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 04:54:32,122 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 04:54:32,122 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-02-04 04:54:32,123 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-02-04 04:54:32,123 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:54:32,149 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 04:54:32,160 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 04:54:32,163 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 04:54:32,165 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 04:54:32,165 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 04:54:32,166 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-02-04 04:54:32,300 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 04:54:32,301 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 04:54:32,302 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 04:54:32,302 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 04:54:32,308 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 04:54:32,308 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:54:32" (1/1) ... [2018-02-04 04:54:32,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fe6d48a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:54:32, skipping insertion in model container [2018-02-04 04:54:32,311 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:54:32" (1/1) ... [2018-02-04 04:54:32,325 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 04:54:32,354 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 04:54:32,452 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 04:54:32,467 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 04:54:32,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:54:32 WrapperNode [2018-02-04 04:54:32,475 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 04:54:32,476 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 04:54:32,476 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 04:54:32,476 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 04:54:32,487 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:54:32" (1/1) ... [2018-02-04 04:54:32,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:54:32" (1/1) ... [2018-02-04 04:54:32,495 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:54:32" (1/1) ... [2018-02-04 04:54:32,495 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:54:32" (1/1) ... [2018-02-04 04:54:32,499 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:54:32" (1/1) ... [2018-02-04 04:54:32,502 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:54:32" (1/1) ... [2018-02-04 04:54:32,503 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:54:32" (1/1) ... [2018-02-04 04:54:32,504 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 04:54:32,505 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 04:54:32,505 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 04:54:32,505 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 04:54:32,505 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:54:32" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 04:54:32,539 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 04:54:32,539 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 04:54:32,539 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 04:54:32,539 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-04 04:54:32,539 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-04 04:54:32,540 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-04 04:54:32,540 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-04 04:54:32,540 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 04:54:32,540 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 04:54:32,540 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 04:54:32,540 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-04 04:54:32,540 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-04 04:54:32,540 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-04 04:54:32,540 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-02-04 04:54:32,540 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 04:54:32,540 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 04:54:32,540 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 04:54:32,907 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 04:54:32,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:54:32 BoogieIcfgContainer [2018-02-04 04:54:32,907 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 04:54:32,907 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 04:54:32,908 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 04:54:32,909 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 04:54:32,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 04:54:32" (1/3) ... [2018-02-04 04:54:32,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44918f41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:54:32, skipping insertion in model container [2018-02-04 04:54:32,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:54:32" (2/3) ... [2018-02-04 04:54:32,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44918f41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:54:32, skipping insertion in model container [2018-02-04 04:54:32,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:54:32" (3/3) ... [2018-02-04 04:54:32,912 INFO L107 eAbstractionObserver]: Analyzing ICFG dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-02-04 04:54:32,917 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-04 04:54:32,921 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 69 error locations. [2018-02-04 04:54:32,943 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 04:54:32,943 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 04:54:32,943 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-02-04 04:54:32,943 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-04 04:54:32,943 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 04:54:32,943 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 04:54:32,943 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 04:54:32,943 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 04:54:32,944 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 04:54:32,957 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states. [2018-02-04 04:54:32,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-04 04:54:32,966 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:54:32,967 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:54:32,967 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 04:54:32,971 INFO L82 PathProgramCache]: Analyzing trace with hash 115964591, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:54:32,987 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:54:33,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:54:33,012 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 04:54:33,023 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:54:33,024 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:54:33,025 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:54:33,025 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:54:33,066 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |c_#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)) is different from true [2018-02-04 04:54:33,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:54:33,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:54:33,124 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:54:33,125 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 04:54:33,125 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:54:33,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:54:33,126 INFO L182 omatonBuilderFactory]: Interpolants [166#true, 167#false, 171#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)), 172#(= 1 (select |#valid| |main_#t~malloc0.base|)), 173#(= 1 (select |#valid| main_~null~0.base)), 174#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-02-04 04:54:33,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:54:33,127 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 04:54:33,137 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 04:54:33,138 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-02-04 04:54:33,140 INFO L87 Difference]: Start difference. First operand 163 states. Second operand 6 states. [2018-02-04 04:54:33,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:54:33,533 INFO L93 Difference]: Finished difference Result 182 states and 189 transitions. [2018-02-04 04:54:33,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 04:54:33,534 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 8 [2018-02-04 04:54:33,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:54:33,544 INFO L225 Difference]: With dead ends: 182 [2018-02-04 04:54:33,544 INFO L226 Difference]: Without dead ends: 179 [2018-02-04 04:54:33,545 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 04:54:33,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2018-02-04 04:54:33,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 160. [2018-02-04 04:54:33,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-02-04 04:54:33,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 167 transitions. [2018-02-04 04:54:33,620 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 167 transitions. Word has length 8 [2018-02-04 04:54:33,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:54:33,621 INFO L432 AbstractCegarLoop]: Abstraction has 160 states and 167 transitions. [2018-02-04 04:54:33,621 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 04:54:33,621 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 167 transitions. [2018-02-04 04:54:33,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-04 04:54:33,621 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:54:33,621 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:54:33,621 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 04:54:33,621 INFO L82 PathProgramCache]: Analyzing trace with hash 115964592, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:54:33,624 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:54:33,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:54:33,633 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 04:54:33,636 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:54:33,636 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:54:33,637 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:54:33,637 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:54:33,657 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 04:54:33,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:54:33,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:54:33,695 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:54:33,695 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 04:54:33,695 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:54:33,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:54:33,696 INFO L182 omatonBuilderFactory]: Interpolants [528#(and (<= (+ main_~null~0.offset 4) (select |#length| main_~null~0.base)) (<= 0 main_~null~0.offset)), 529#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 521#true, 522#false, 526#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 12) (store |#length| %1 12)) :qid itp)) :qid itp)), 527#(and (= 0 |main_#t~malloc0.offset|) (= 12 (select |#length| |main_#t~malloc0.base|)))] [2018-02-04 04:54:33,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:54:33,697 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 04:54:33,697 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 04:54:33,698 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-02-04 04:54:33,698 INFO L87 Difference]: Start difference. First operand 160 states and 167 transitions. Second operand 6 states. [2018-02-04 04:54:34,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:54:34,022 INFO L93 Difference]: Finished difference Result 159 states and 166 transitions. [2018-02-04 04:54:34,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 04:54:34,023 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 8 [2018-02-04 04:54:34,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:54:34,024 INFO L225 Difference]: With dead ends: 159 [2018-02-04 04:54:34,024 INFO L226 Difference]: Without dead ends: 159 [2018-02-04 04:54:34,025 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 04:54:34,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-02-04 04:54:34,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2018-02-04 04:54:34,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2018-02-04 04:54:34,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 166 transitions. [2018-02-04 04:54:34,039 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 166 transitions. Word has length 8 [2018-02-04 04:54:34,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:54:34,040 INFO L432 AbstractCegarLoop]: Abstraction has 159 states and 166 transitions. [2018-02-04 04:54:34,040 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 04:54:34,040 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 166 transitions. [2018-02-04 04:54:34,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-02-04 04:54:34,041 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:54:34,041 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:54:34,041 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 04:54:34,041 INFO L82 PathProgramCache]: Analyzing trace with hash -700064999, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:54:34,048 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:54:34,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:54:34,058 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 04:54:34,063 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:54:34,063 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:54:34,064 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:54:34,064 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:54:34,104 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 04:54:34,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:54:34,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:54:34,166 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:54:34,167 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 04:54:34,167 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:54:34,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:54:34,167 INFO L182 omatonBuilderFactory]: Interpolants [852#true, 853#false, 857#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 12) (store |#length| %1 12)) :qid itp)) :qid itp)), 858#(and (= 0 |main_#t~malloc0.offset|) (= 12 (select |#length| |main_#t~malloc0.base|))), 859#(and (<= 0 (+ main_~null~0.offset 4)) (<= (+ main_~null~0.offset 8) (select |#length| main_~null~0.base))), 860#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-02-04 04:54:34,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:54:34,168 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 04:54:34,168 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 04:54:34,168 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-02-04 04:54:34,168 INFO L87 Difference]: Start difference. First operand 159 states and 166 transitions. Second operand 6 states. [2018-02-04 04:54:34,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:54:34,386 INFO L93 Difference]: Finished difference Result 158 states and 165 transitions. [2018-02-04 04:54:34,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 04:54:34,389 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2018-02-04 04:54:34,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:54:34,390 INFO L225 Difference]: With dead ends: 158 [2018-02-04 04:54:34,390 INFO L226 Difference]: Without dead ends: 158 [2018-02-04 04:54:34,390 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=28, Unknown=2, NotChecked=10, Total=56 [2018-02-04 04:54:34,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2018-02-04 04:54:34,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2018-02-04 04:54:34,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2018-02-04 04:54:34,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 165 transitions. [2018-02-04 04:54:34,401 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 165 transitions. Word has length 9 [2018-02-04 04:54:34,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:54:34,401 INFO L432 AbstractCegarLoop]: Abstraction has 158 states and 165 transitions. [2018-02-04 04:54:34,401 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 04:54:34,401 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 165 transitions. [2018-02-04 04:54:34,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-02-04 04:54:34,401 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:54:34,402 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:54:34,402 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 04:54:34,402 INFO L82 PathProgramCache]: Analyzing trace with hash -227178541, 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) [2018-02-04 04:54:34,406 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:54:34,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:54:34,416 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 04:54:34,418 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:54:34,419 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:54:34,419 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:54:34,419 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:54:34,423 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 04:54:34,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:54:34,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:54:34,483 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:54:34,484 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 04:54:34,484 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:54:34,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:54:34,484 INFO L182 omatonBuilderFactory]: Interpolants [1186#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 12) (store |#length| %1 12)) :qid itp)) :qid itp)), 1187#(and (= 0 |main_#t~malloc0.offset|) (= 12 (select |#length| |main_#t~malloc0.base|))), 1188#(and (<= (+ main_~null~0.offset 12) (select |#length| main_~null~0.base)) (<= 0 (+ main_~null~0.offset 8))), 1189#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 1181#true, 1182#false] [2018-02-04 04:54:34,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:54:34,484 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 04:54:34,485 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 04:54:34,485 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-02-04 04:54:34,485 INFO L87 Difference]: Start difference. First operand 158 states and 165 transitions. Second operand 6 states. [2018-02-04 04:54:34,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:54:34,714 INFO L93 Difference]: Finished difference Result 157 states and 164 transitions. [2018-02-04 04:54:34,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 04:54:34,715 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2018-02-04 04:54:34,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:54:34,716 INFO L225 Difference]: With dead ends: 157 [2018-02-04 04:54:34,716 INFO L226 Difference]: Without dead ends: 157 [2018-02-04 04:54:34,716 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=28, Unknown=2, NotChecked=10, Total=56 [2018-02-04 04:54:34,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2018-02-04 04:54:34,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2018-02-04 04:54:34,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-02-04 04:54:34,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 164 transitions. [2018-02-04 04:54:34,724 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 164 transitions. Word has length 10 [2018-02-04 04:54:34,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:54:34,724 INFO L432 AbstractCegarLoop]: Abstraction has 157 states and 164 transitions. [2018-02-04 04:54:34,725 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 04:54:34,725 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 164 transitions. [2018-02-04 04:54:34,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-02-04 04:54:34,725 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:54:34,726 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:54:34,726 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 04:54:34,726 INFO L82 PathProgramCache]: Analyzing trace with hash 992494940, 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) [2018-02-04 04:54:34,730 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:54:34,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:54:34,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:54:34,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:54:34,784 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:54:34,784 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 04:54:34,784 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:54:34,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:54:34,785 INFO L182 omatonBuilderFactory]: Interpolants [1508#true, 1509#false, 1513#(= 1 (select |#valid| |main_#t~malloc4.base|)), 1514#(= 1 (select |#valid| main_~list~0.base)), 1515#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-02-04 04:54:34,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:54:34,785 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 04:54:34,785 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 04:54:34,785 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 04:54:34,785 INFO L87 Difference]: Start difference. First operand 157 states and 164 transitions. Second operand 5 states. [2018-02-04 04:54:34,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:54:34,944 INFO L93 Difference]: Finished difference Result 164 states and 171 transitions. [2018-02-04 04:54:34,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 04:54:34,945 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-02-04 04:54:34,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:54:34,946 INFO L225 Difference]: With dead ends: 164 [2018-02-04 04:54:34,946 INFO L226 Difference]: Without dead ends: 164 [2018-02-04 04:54:34,946 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 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 04:54:34,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2018-02-04 04:54:34,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 151. [2018-02-04 04:54:34,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-02-04 04:54:34,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 159 transitions. [2018-02-04 04:54:34,952 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 159 transitions. Word has length 13 [2018-02-04 04:54:34,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:54:34,952 INFO L432 AbstractCegarLoop]: Abstraction has 151 states and 159 transitions. [2018-02-04 04:54:34,952 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 04:54:34,952 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 159 transitions. [2018-02-04 04:54:34,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-02-04 04:54:34,952 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:54:34,953 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:54:34,953 INFO L371 AbstractCegarLoop]: === Iteration 6 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 04:54:34,953 INFO L82 PathProgramCache]: Analyzing trace with hash 992494941, 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 04:54:34,956 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:54:34,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:54:34,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:54:34,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:54:35,009 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:54:35,009 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 04:54:35,009 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:54:35,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:54:35,010 INFO L182 omatonBuilderFactory]: Interpolants [1840#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 1833#true, 1834#false, 1838#(and (= 12 (select |#length| |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|)), 1839#(and (<= (+ main_~list~0.offset 4) (select |#length| main_~list~0.base)) (<= 0 main_~list~0.offset))] [2018-02-04 04:54:35,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:54:35,010 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 04:54:35,010 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 04:54:35,010 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 04:54:35,010 INFO L87 Difference]: Start difference. First operand 151 states and 159 transitions. Second operand 5 states. [2018-02-04 04:54:35,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:54:35,165 INFO L93 Difference]: Finished difference Result 199 states and 211 transitions. [2018-02-04 04:54:35,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 04:54:35,166 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-02-04 04:54:35,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:54:35,167 INFO L225 Difference]: With dead ends: 199 [2018-02-04 04:54:35,167 INFO L226 Difference]: Without dead ends: 199 [2018-02-04 04:54:35,167 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 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 04:54:35,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2018-02-04 04:54:35,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 182. [2018-02-04 04:54:35,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2018-02-04 04:54:35,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 206 transitions. [2018-02-04 04:54:35,174 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 206 transitions. Word has length 13 [2018-02-04 04:54:35,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:54:35,174 INFO L432 AbstractCegarLoop]: Abstraction has 182 states and 206 transitions. [2018-02-04 04:54:35,174 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 04:54:35,174 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 206 transitions. [2018-02-04 04:54:35,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-02-04 04:54:35,175 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:54:35,175 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:54:35,175 INFO L371 AbstractCegarLoop]: === Iteration 7 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 04:54:35,175 INFO L82 PathProgramCache]: Analyzing trace with hash 702572055, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:54:35,179 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:54:35,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:54:35,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:54:35,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:54:35,231 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:54:35,231 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 04:54:35,232 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:54:35,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:54:35,232 INFO L182 omatonBuilderFactory]: Interpolants [2224#true, 2225#false, 2229#(and (= 12 (select |#length| |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|)), 2230#(and (<= (+ main_~list~0.offset 8) (select |#length| main_~list~0.base)) (<= 0 (+ main_~list~0.offset 4))), 2231#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-02-04 04:54:35,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:54:35,233 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 04:54:35,233 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 04:54:35,233 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 04:54:35,233 INFO L87 Difference]: Start difference. First operand 182 states and 206 transitions. Second operand 5 states. [2018-02-04 04:54:35,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:54:35,455 INFO L93 Difference]: Finished difference Result 209 states and 221 transitions. [2018-02-04 04:54:35,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 04:54:35,455 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-02-04 04:54:35,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:54:35,456 INFO L225 Difference]: With dead ends: 209 [2018-02-04 04:54:35,456 INFO L226 Difference]: Without dead ends: 209 [2018-02-04 04:54:35,456 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 04:54:35,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2018-02-04 04:54:35,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 181. [2018-02-04 04:54:35,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2018-02-04 04:54:35,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 205 transitions. [2018-02-04 04:54:35,461 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 205 transitions. Word has length 14 [2018-02-04 04:54:35,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:54:35,461 INFO L432 AbstractCegarLoop]: Abstraction has 181 states and 205 transitions. [2018-02-04 04:54:35,461 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 04:54:35,461 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 205 transitions. [2018-02-04 04:54:35,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-02-04 04:54:35,462 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:54:35,462 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:54:35,462 INFO L371 AbstractCegarLoop]: === Iteration 8 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 04:54:35,462 INFO L82 PathProgramCache]: Analyzing trace with hash 304897184, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:54:35,465 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:54:35,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:54:35,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:54:35,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:54:35,508 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:54:35,508 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 04:54:35,508 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:54:35,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:54:35,509 INFO L182 omatonBuilderFactory]: Interpolants [2624#true, 2625#false, 2629#(and (= 12 (select |#length| |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|)), 2630#(and (<= 0 (+ main_~list~0.offset 8)) (<= (+ main_~list~0.offset 12) (select |#length| main_~list~0.base))), 2631#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-02-04 04:54:35,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:54:35,509 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 04:54:35,509 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 04:54:35,510 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 04:54:35,510 INFO L87 Difference]: Start difference. First operand 181 states and 205 transitions. Second operand 5 states. [2018-02-04 04:54:35,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:54:35,757 INFO L93 Difference]: Finished difference Result 196 states and 208 transitions. [2018-02-04 04:54:35,758 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 04:54:35,758 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-02-04 04:54:35,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:54:35,759 INFO L225 Difference]: With dead ends: 196 [2018-02-04 04:54:35,759 INFO L226 Difference]: Without dead ends: 196 [2018-02-04 04:54:35,759 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 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 04:54:35,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2018-02-04 04:54:35,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 180. [2018-02-04 04:54:35,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2018-02-04 04:54:35,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 203 transitions. [2018-02-04 04:54:35,763 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 203 transitions. Word has length 15 [2018-02-04 04:54:35,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:54:35,763 INFO L432 AbstractCegarLoop]: Abstraction has 180 states and 203 transitions. [2018-02-04 04:54:35,763 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 04:54:35,763 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 203 transitions. [2018-02-04 04:54:35,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-02-04 04:54:35,764 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:54:35,764 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:54:35,764 INFO L371 AbstractCegarLoop]: === Iteration 9 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 04:54:35,764 INFO L82 PathProgramCache]: Analyzing trace with hash 1268132201, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:54:35,769 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:54:35,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:54:35,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:54:35,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:54:35,826 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:54:35,826 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 04:54:35,826 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:54:35,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:54:35,827 INFO L182 omatonBuilderFactory]: Interpolants [3010#true, 3011#false, 3015#(= 1 (select |#valid| main_~list~0.base)), 3016#(= 1 (select |#valid| main_~end~0.base)), 3017#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-02-04 04:54:35,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:54:35,827 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 04:54:35,827 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 04:54:35,827 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 04:54:35,828 INFO L87 Difference]: Start difference. First operand 180 states and 203 transitions. Second operand 5 states. [2018-02-04 04:54:35,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:54:35,995 INFO L93 Difference]: Finished difference Result 193 states and 218 transitions. [2018-02-04 04:54:35,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 04:54:35,995 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2018-02-04 04:54:35,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:54:35,996 INFO L225 Difference]: With dead ends: 193 [2018-02-04 04:54:35,996 INFO L226 Difference]: Without dead ends: 193 [2018-02-04 04:54:35,996 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 04:54:35,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2018-02-04 04:54:35,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 171. [2018-02-04 04:54:35,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2018-02-04 04:54:35,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 195 transitions. [2018-02-04 04:54:35,998 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 195 transitions. Word has length 21 [2018-02-04 04:54:35,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:54:35,998 INFO L432 AbstractCegarLoop]: Abstraction has 171 states and 195 transitions. [2018-02-04 04:54:35,998 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 04:54:35,999 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 195 transitions. [2018-02-04 04:54:35,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-02-04 04:54:35,999 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:54:35,999 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:54:35,999 INFO L371 AbstractCegarLoop]: === Iteration 10 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 04:54:35,999 INFO L82 PathProgramCache]: Analyzing trace with hash 1268132202, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:54:36,003 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:54:36,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:54:36,029 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: Unsupported proof rule: (let ((a!1 (= (+ 0 (* (- 1) (select |#length_19| |main_#t~malloc4.base_10|))) (* (- 1) (select |#length_19| |main_#t~malloc4.base_10|))))) (rewrite a!1)) [2018-02-04 04:54:36,029 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 116 column 325: 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:294) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:196) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:222) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.FixedTraceAbstractionRefinementStrategy.getTraceCheck(FixedTraceAbstractionRefinementStrategy.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:205) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:397) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:381) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:316) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:292) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:147) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:119) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-02-04 04:54:36,033 INFO L168 Benchmark]: Toolchain (without parser) took 3732.41 ms. Allocated memory was 389.0 MB in the beginning and 611.8 MB in the end (delta: 222.8 MB). Free memory was 345.9 MB in the beginning and 364.4 MB in the end (delta: -18.5 MB). Peak memory consumption was 204.3 MB. Max. memory is 5.3 GB. [2018-02-04 04:54:36,034 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 389.0 MB. Free memory is still 352.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 04:54:36,034 INFO L168 Benchmark]: CACSL2BoogieTranslator took 173.46 ms. Allocated memory is still 389.0 MB. Free memory was 345.9 MB in the beginning and 334.0 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 5.3 GB. [2018-02-04 04:54:36,035 INFO L168 Benchmark]: Boogie Preprocessor took 28.54 ms. Allocated memory is still 389.0 MB. Free memory was 334.0 MB in the beginning and 331.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-02-04 04:54:36,035 INFO L168 Benchmark]: RCFGBuilder took 402.54 ms. Allocated memory is still 389.0 MB. Free memory was 331.4 MB in the beginning and 289.4 MB in the end (delta: 41.9 MB). Peak memory consumption was 41.9 MB. Max. memory is 5.3 GB. [2018-02-04 04:54:36,035 INFO L168 Benchmark]: TraceAbstraction took 3125.05 ms. Allocated memory was 389.0 MB in the beginning and 611.8 MB in the end (delta: 222.8 MB). Free memory was 289.4 MB in the beginning and 364.4 MB in the end (delta: -75.0 MB). Peak memory consumption was 147.8 MB. Max. memory is 5.3 GB. [2018-02-04 04:54:36,038 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 389.0 MB. Free memory is still 352.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 173.46 ms. Allocated memory is still 389.0 MB. Free memory was 345.9 MB in the beginning and 334.0 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 28.54 ms. Allocated memory is still 389.0 MB. Free memory was 334.0 MB in the beginning and 331.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 402.54 ms. Allocated memory is still 389.0 MB. Free memory was 331.4 MB in the beginning and 289.4 MB in the end (delta: 41.9 MB). Peak memory consumption was 41.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 3125.05 ms. Allocated memory was 389.0 MB in the beginning and 611.8 MB in the end (delta: 222.8 MB). Free memory was 289.4 MB in the beginning and 364.4 MB in the end (delta: -75.0 MB). Peak memory consumption was 147.8 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 116 column 325: theory not supported by interpolation or bad proof de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 116 column 325: 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-rb-sentinel_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_04-54-36-045.csv Received shutdown request...