java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cav18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf -i ../../../trunk/examples/svcomp/forester-heap/dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-26d9e06-m [2018-02-02 11:09:52,869 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-02 11:09:52,870 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-02 11:09:52,882 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-02 11:09:52,882 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-02 11:09:52,883 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-02 11:09:52,883 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-02 11:09:52,884 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-02 11:09:52,886 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-02 11:09:52,886 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-02 11:09:52,887 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-02 11:09:52,887 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-02 11:09:52,888 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-02 11:09:52,889 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-02 11:09:52,889 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-02 11:09:52,891 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-02 11:09:52,893 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-02 11:09:52,894 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-02 11:09:52,895 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-02 11:09:52,896 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-02 11:09:52,898 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-02 11:09:52,898 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-02 11:09:52,898 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-02 11:09:52,899 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-02 11:09:52,899 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-02 11:09:52,900 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-02 11:09:52,900 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-02 11:09:52,901 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-02 11:09:52,901 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-02 11:09:52,901 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-02 11:09:52,902 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-02 11:09:52,902 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cav18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf [2018-02-02 11:09:52,911 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-02 11:09:52,912 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-02 11:09:52,912 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-02 11:09:52,913 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-02 11:09:52,913 INFO L133 SettingsManager]: * Use SBE=true [2018-02-02 11:09:52,913 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-02 11:09:52,913 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-02 11:09:52,913 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-02 11:09:52,913 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-02 11:09:52,913 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-02 11:09:52,914 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-02 11:09:52,914 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-02 11:09:52,914 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-02 11:09:52,914 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-02 11:09:52,914 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-02 11:09:52,914 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-02 11:09:52,914 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-02 11:09:52,915 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-02 11:09:52,915 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-02 11:09:52,915 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-02 11:09:52,915 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-02 11:09:52,915 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-02 11:09:52,915 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-02-02 11:09:52,916 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-02-02 11:09:52,916 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-02 11:09:52,945 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-02 11:09:52,954 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-02 11:09:52,956 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-02 11:09:52,957 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-02 11:09:52,958 INFO L276 PluginConnector]: CDTParser initialized [2018-02-02 11:09:52,958 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-02-02 11:09:53,094 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-02 11:09:53,095 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-02 11:09:53,096 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-02 11:09:53,096 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-02 11:09:53,101 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-02 11:09:53,102 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 11:09:53" (1/1) ... [2018-02-02 11:09:53,104 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36af2533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 11:09:53, skipping insertion in model container [2018-02-02 11:09:53,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 11:09:53" (1/1) ... [2018-02-02 11:09:53,120 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 11:09:53,156 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 11:09:53,244 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 11:09:53,259 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 11:09:53,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 11:09:53 WrapperNode [2018-02-02 11:09:53,264 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-02 11:09:53,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-02 11:09:53,265 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-02 11:09:53,265 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-02 11:09:53,275 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 11:09:53" (1/1) ... [2018-02-02 11:09:53,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 11:09:53" (1/1) ... [2018-02-02 11:09:53,284 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 11:09:53" (1/1) ... [2018-02-02 11:09:53,285 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 11:09:53" (1/1) ... [2018-02-02 11:09:53,290 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 11:09:53" (1/1) ... [2018-02-02 11:09:53,294 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 11:09:53" (1/1) ... [2018-02-02 11:09:53,295 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 11:09:53" (1/1) ... [2018-02-02 11:09:53,297 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-02 11:09:53,297 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-02 11:09:53,297 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-02 11:09:53,297 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-02 11:09:53,298 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 11:09:53" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-02 11:09:53,334 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-02 11:09:53,334 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-02 11:09:53,334 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-02 11:09:53,335 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-02 11:09:53,335 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-02 11:09:53,335 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-02 11:09:53,335 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-02 11:09:53,335 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-02 11:09:53,335 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-02 11:09:53,335 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-02 11:09:53,335 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-02 11:09:53,336 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-02 11:09:53,336 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-02 11:09:53,336 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-02-02 11:09:53,336 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-02 11:09:53,336 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-02 11:09:53,336 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-02 11:09:53,733 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-02 11:09:53,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 11:09:53 BoogieIcfgContainer [2018-02-02 11:09:53,734 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-02 11:09:53,734 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-02 11:09:53,734 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-02 11:09:53,737 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-02 11:09:53,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 11:09:53" (1/3) ... [2018-02-02 11:09:53,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c455759 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 11:09:53, skipping insertion in model container [2018-02-02 11:09:53,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 11:09:53" (2/3) ... [2018-02-02 11:09:53,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c455759 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 11:09:53, skipping insertion in model container [2018-02-02 11:09:53,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 11:09:53" (3/3) ... [2018-02-02 11:09:53,740 INFO L107 eAbstractionObserver]: Analyzing ICFG dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-02-02 11:09:53,748 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-02 11:09:53,754 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 69 error locations. [2018-02-02 11:09:53,786 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-02 11:09:53,786 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-02 11:09:53,786 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-02-02 11:09:53,787 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-02 11:09:53,787 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-02 11:09:53,787 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-02 11:09:53,787 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-02 11:09:53,787 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-02 11:09:53,788 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-02 11:09:53,801 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states. [2018-02-02 11:09:53,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-02 11:09:53,808 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 11:09:53,809 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 11:09:53,809 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]=== [2018-02-02 11:09:53,813 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 [2018-02-02 11:09:53,825 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 11:09:53,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 11:09:53,852 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-02 11:09:53,862 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-02 11:09:53,862 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-02 11:09:53,863 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-02 11:09:53,863 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-02 11:09:53,896 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |c_#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)) is different from true [2018-02-02 11:09:53,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 11:09:53,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 11:09:53,956 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 11:09:53,957 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-02 11:09:53,957 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 11:09:53,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 11:09:53,958 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)|))] [2018-02-02 11:09:53,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 11:09:53,959 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-02 11:09:53,971 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-02 11:09:53,971 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-02-02 11:09:53,973 INFO L87 Difference]: Start difference. First operand 163 states. Second operand 6 states. [2018-02-02 11:09:54,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 11:09:54,362 INFO L93 Difference]: Finished difference Result 182 states and 189 transitions. [2018-02-02 11:09:54,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-02 11:09:54,363 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 8 [2018-02-02 11:09:54,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 11:09:54,371 INFO L225 Difference]: With dead ends: 182 [2018-02-02 11:09:54,371 INFO L226 Difference]: Without dead ends: 179 [2018-02-02 11:09:54,373 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 [2018-02-02 11:09:54,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2018-02-02 11:09:54,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 160. [2018-02-02 11:09:54,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-02-02 11:09:54,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 167 transitions. [2018-02-02 11:09:54,455 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 167 transitions. Word has length 8 [2018-02-02 11:09:54,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 11:09:54,455 INFO L432 AbstractCegarLoop]: Abstraction has 160 states and 167 transitions. [2018-02-02 11:09:54,456 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-02 11:09:54,456 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 167 transitions. [2018-02-02 11:09:54,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-02 11:09:54,456 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 11:09:54,456 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 11:09:54,456 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]=== [2018-02-02 11:09:54,457 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 [2018-02-02 11:09:54,461 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 11:09:54,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 11:09:54,482 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-02 11:09:54,484 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-02 11:09:54,484 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-02 11:09:54,485 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-02 11:09:54,485 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-02 11:09:54,503 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 [2018-02-02 11:09:54,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 11:09:54,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 11:09:54,562 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 11:09:54,563 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-02 11:09:54,563 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 11:09:54,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 11:09:54,564 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|)))] [2018-02-02 11:09:54,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 11:09:54,565 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-02 11:09:54,565 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-02 11:09:54,566 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-02-02 11:09:54,566 INFO L87 Difference]: Start difference. First operand 160 states and 167 transitions. Second operand 6 states. [2018-02-02 11:09:54,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 11:09:54,887 INFO L93 Difference]: Finished difference Result 159 states and 166 transitions. [2018-02-02 11:09:54,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-02 11:09:54,887 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 8 [2018-02-02 11:09:54,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 11:09:54,888 INFO L225 Difference]: With dead ends: 159 [2018-02-02 11:09:54,888 INFO L226 Difference]: Without dead ends: 159 [2018-02-02 11:09:54,889 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 [2018-02-02 11:09:54,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-02-02 11:09:54,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2018-02-02 11:09:54,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2018-02-02 11:09:54,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 166 transitions. [2018-02-02 11:09:54,894 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 166 transitions. Word has length 8 [2018-02-02 11:09:54,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 11:09:54,894 INFO L432 AbstractCegarLoop]: Abstraction has 159 states and 166 transitions. [2018-02-02 11:09:54,894 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-02 11:09:54,895 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 166 transitions. [2018-02-02 11:09:54,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-02-02 11:09:54,895 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 11:09:54,895 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 11:09:54,895 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]=== [2018-02-02 11:09:54,895 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 [2018-02-02 11:09:54,901 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 11:09:54,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 11:09:54,909 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-02 11:09:54,911 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-02 11:09:54,911 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-02 11:09:54,912 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-02 11:09:54,912 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-02 11:09:54,930 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 [2018-02-02 11:09:54,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 11:09:54,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 11:09:55,013 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 11:09:55,013 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-02 11:09:55,013 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 11:09:55,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 11:09:55,014 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)|))] [2018-02-02 11:09:55,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 11:09:55,014 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-02 11:09:55,014 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-02 11:09:55,015 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-02-02 11:09:55,015 INFO L87 Difference]: Start difference. First operand 159 states and 166 transitions. Second operand 6 states. [2018-02-02 11:09:55,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 11:09:55,285 INFO L93 Difference]: Finished difference Result 158 states and 165 transitions. [2018-02-02 11:09:55,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-02 11:09:55,288 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2018-02-02 11:09:55,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 11:09:55,289 INFO L225 Difference]: With dead ends: 158 [2018-02-02 11:09:55,289 INFO L226 Difference]: Without dead ends: 158 [2018-02-02 11:09:55,289 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 [2018-02-02 11:09:55,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2018-02-02 11:09:55,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2018-02-02 11:09:55,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2018-02-02 11:09:55,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 165 transitions. [2018-02-02 11:09:55,296 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 165 transitions. Word has length 9 [2018-02-02 11:09:55,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 11:09:55,297 INFO L432 AbstractCegarLoop]: Abstraction has 158 states and 165 transitions. [2018-02-02 11:09:55,297 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-02 11:09:55,297 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 165 transitions. [2018-02-02 11:09:55,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-02-02 11:09:55,297 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 11:09:55,297 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 11:09:55,298 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]=== [2018-02-02 11:09:55,298 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) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-02 11:09:55,303 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 11:09:55,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 11:09:55,314 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-02 11:09:55,317 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-02 11:09:55,317 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-02 11:09:55,317 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-02 11:09:55,318 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-02 11:09:55,323 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 [2018-02-02 11:09:55,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 11:09:55,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 11:09:55,370 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 11:09:55,370 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-02 11:09:55,370 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 11:09:55,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 11:09:55,371 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] [2018-02-02 11:09:55,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 11:09:55,371 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-02 11:09:55,371 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-02 11:09:55,371 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-02-02 11:09:55,372 INFO L87 Difference]: Start difference. First operand 158 states and 165 transitions. Second operand 6 states. [2018-02-02 11:09:55,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 11:09:55,649 INFO L93 Difference]: Finished difference Result 157 states and 164 transitions. [2018-02-02 11:09:55,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-02 11:09:55,649 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2018-02-02 11:09:55,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 11:09:55,650 INFO L225 Difference]: With dead ends: 157 [2018-02-02 11:09:55,650 INFO L226 Difference]: Without dead ends: 157 [2018-02-02 11:09:55,651 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 [2018-02-02 11:09:55,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2018-02-02 11:09:55,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2018-02-02 11:09:55,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-02-02 11:09:55,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 164 transitions. [2018-02-02 11:09:55,657 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 164 transitions. Word has length 10 [2018-02-02 11:09:55,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 11:09:55,657 INFO L432 AbstractCegarLoop]: Abstraction has 157 states and 164 transitions. [2018-02-02 11:09:55,657 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-02 11:09:55,657 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 164 transitions. [2018-02-02 11:09:55,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-02-02 11:09:55,657 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 11:09:55,658 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 11:09:55,658 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]=== [2018-02-02 11:09:55,658 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) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-02 11:09:55,664 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 11:09:55,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 11:09:55,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 11:09:55,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 11:09:55,711 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 11:09:55,711 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-02 11:09:55,711 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 11:09:55,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 11:09:55,711 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)|))] [2018-02-02 11:09:55,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 11:09:55,712 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-02 11:09:55,712 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-02 11:09:55,712 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-02 11:09:55,712 INFO L87 Difference]: Start difference. First operand 157 states and 164 transitions. Second operand 5 states. [2018-02-02 11:09:55,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 11:09:55,851 INFO L93 Difference]: Finished difference Result 164 states and 171 transitions. [2018-02-02 11:09:55,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-02 11:09:55,852 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-02-02 11:09:55,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 11:09:55,853 INFO L225 Difference]: With dead ends: 164 [2018-02-02 11:09:55,853 INFO L226 Difference]: Without dead ends: 164 [2018-02-02 11:09:55,853 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 [2018-02-02 11:09:55,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2018-02-02 11:09:55,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 151. [2018-02-02 11:09:55,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-02-02 11:09:55,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 159 transitions. [2018-02-02 11:09:55,859 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 159 transitions. Word has length 13 [2018-02-02 11:09:55,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 11:09:55,859 INFO L432 AbstractCegarLoop]: Abstraction has 151 states and 159 transitions. [2018-02-02 11:09:55,859 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-02 11:09:55,859 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 159 transitions. [2018-02-02 11:09:55,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-02-02 11:09:55,860 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 11:09:55,860 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 11:09:55,860 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]=== [2018-02-02 11:09:55,860 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 [2018-02-02 11:09:55,863 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 11:09:55,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 11:09:55,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 11:09:55,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 11:09:55,901 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 11:09:55,901 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-02 11:09:55,901 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 11:09:55,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 11:09:55,901 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))] [2018-02-02 11:09:55,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 11:09:55,902 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-02 11:09:55,902 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-02 11:09:55,902 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-02 11:09:55,902 INFO L87 Difference]: Start difference. First operand 151 states and 159 transitions. Second operand 5 states. [2018-02-02 11:09:56,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 11:09:56,133 INFO L93 Difference]: Finished difference Result 199 states and 211 transitions. [2018-02-02 11:09:56,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-02 11:09:56,134 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-02-02 11:09:56,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 11:09:56,134 INFO L225 Difference]: With dead ends: 199 [2018-02-02 11:09:56,135 INFO L226 Difference]: Without dead ends: 199 [2018-02-02 11:09:56,135 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 [2018-02-02 11:09:56,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2018-02-02 11:09:56,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 182. [2018-02-02 11:09:56,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2018-02-02 11:09:56,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 206 transitions. [2018-02-02 11:09:56,138 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 206 transitions. Word has length 13 [2018-02-02 11:09:56,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 11:09:56,138 INFO L432 AbstractCegarLoop]: Abstraction has 182 states and 206 transitions. [2018-02-02 11:09:56,138 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-02 11:09:56,138 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 206 transitions. [2018-02-02 11:09:56,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-02-02 11:09:56,139 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 11:09:56,139 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 11:09:56,139 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]=== [2018-02-02 11:09:56,139 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 [2018-02-02 11:09:56,146 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 11:09:56,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 11:09:56,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 11:09:56,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 11:09:56,190 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 11:09:56,190 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-02 11:09:56,190 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 11:09:56,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 11:09:56,190 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)|))] [2018-02-02 11:09:56,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 11:09:56,191 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-02 11:09:56,191 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-02 11:09:56,191 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-02 11:09:56,191 INFO L87 Difference]: Start difference. First operand 182 states and 206 transitions. Second operand 5 states. [2018-02-02 11:09:56,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 11:09:56,378 INFO L93 Difference]: Finished difference Result 209 states and 221 transitions. [2018-02-02 11:09:56,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-02 11:09:56,378 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-02-02 11:09:56,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 11:09:56,379 INFO L225 Difference]: With dead ends: 209 [2018-02-02 11:09:56,379 INFO L226 Difference]: Without dead ends: 209 [2018-02-02 11:09:56,379 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 [2018-02-02 11:09:56,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2018-02-02 11:09:56,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 181. [2018-02-02 11:09:56,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2018-02-02 11:09:56,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 205 transitions. [2018-02-02 11:09:56,383 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 205 transitions. Word has length 14 [2018-02-02 11:09:56,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 11:09:56,384 INFO L432 AbstractCegarLoop]: Abstraction has 181 states and 205 transitions. [2018-02-02 11:09:56,384 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-02 11:09:56,384 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 205 transitions. [2018-02-02 11:09:56,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-02-02 11:09:56,384 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 11:09:56,384 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 11:09:56,385 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]=== [2018-02-02 11:09:56,385 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 [2018-02-02 11:09:56,392 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 11:09:56,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 11:09:56,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 11:09:56,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 11:09:56,449 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 11:09:56,450 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-02 11:09:56,450 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 11:09:56,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 11:09:56,450 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)|))] [2018-02-02 11:09:56,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 11:09:56,450 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-02 11:09:56,451 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-02 11:09:56,451 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-02 11:09:56,451 INFO L87 Difference]: Start difference. First operand 181 states and 205 transitions. Second operand 5 states. [2018-02-02 11:09:56,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 11:09:56,690 INFO L93 Difference]: Finished difference Result 196 states and 208 transitions. [2018-02-02 11:09:56,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-02 11:09:56,691 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-02-02 11:09:56,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 11:09:56,692 INFO L225 Difference]: With dead ends: 196 [2018-02-02 11:09:56,692 INFO L226 Difference]: Without dead ends: 196 [2018-02-02 11:09:56,693 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 [2018-02-02 11:09:56,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2018-02-02 11:09:56,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 180. [2018-02-02 11:09:56,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2018-02-02 11:09:56,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 203 transitions. [2018-02-02 11:09:56,697 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 203 transitions. Word has length 15 [2018-02-02 11:09:56,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 11:09:56,698 INFO L432 AbstractCegarLoop]: Abstraction has 180 states and 203 transitions. [2018-02-02 11:09:56,698 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-02 11:09:56,698 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 203 transitions. [2018-02-02 11:09:56,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-02-02 11:09:56,698 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 11:09:56,698 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] [2018-02-02 11:09:56,700 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]=== [2018-02-02 11:09:56,700 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 [2018-02-02 11:09:56,704 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 11:09:56,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 11:09:56,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 11:09:56,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 11:09:56,757 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 11:09:56,757 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-02 11:09:56,757 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 11:09:56,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 11:09:56,757 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)|))] [2018-02-02 11:09:56,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 11:09:56,758 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-02 11:09:56,758 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-02 11:09:56,758 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-02 11:09:56,758 INFO L87 Difference]: Start difference. First operand 180 states and 203 transitions. Second operand 5 states. [2018-02-02 11:09:56,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 11:09:56,945 INFO L93 Difference]: Finished difference Result 193 states and 218 transitions. [2018-02-02 11:09:56,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-02 11:09:56,945 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2018-02-02 11:09:56,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 11:09:56,946 INFO L225 Difference]: With dead ends: 193 [2018-02-02 11:09:56,946 INFO L226 Difference]: Without dead ends: 193 [2018-02-02 11:09:56,947 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 [2018-02-02 11:09:56,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2018-02-02 11:09:56,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 171. [2018-02-02 11:09:56,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2018-02-02 11:09:56,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 195 transitions. [2018-02-02 11:09:56,950 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 195 transitions. Word has length 21 [2018-02-02 11:09:56,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 11:09:56,951 INFO L432 AbstractCegarLoop]: Abstraction has 171 states and 195 transitions. [2018-02-02 11:09:56,951 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-02 11:09:56,951 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 195 transitions. [2018-02-02 11:09:56,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-02-02 11:09:56,951 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 11:09:56,951 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] [2018-02-02 11:09:56,951 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]=== [2018-02-02 11:09:56,952 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 [2018-02-02 11:09:56,956 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 11:09:56,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 11:09:56,997 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)) [2018-02-02 11:09:56,998 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) [2018-02-02 11:09:57,001 INFO L168 Benchmark]: Toolchain (without parser) took 3906.39 ms. Allocated memory was 406.8 MB in the beginning and 644.3 MB in the end (delta: 237.5 MB). Free memory was 360.9 MB in the beginning and 612.4 MB in the end (delta: -251.5 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-02-02 11:09:57,002 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 406.8 MB. Free memory is still 370.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-02 11:09:57,002 INFO L168 Benchmark]: CACSL2BoogieTranslator took 168.87 ms. Allocated memory is still 406.8 MB. Free memory was 360.9 MB in the beginning and 349.0 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 5.3 GB. [2018-02-02 11:09:57,003 INFO L168 Benchmark]: Boogie Preprocessor took 32.02 ms. Allocated memory is still 406.8 MB. Free memory was 349.0 MB in the beginning and 346.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-02-02 11:09:57,003 INFO L168 Benchmark]: RCFGBuilder took 436.44 ms. Allocated memory is still 406.8 MB. Free memory was 346.4 MB in the beginning and 303.9 MB in the end (delta: 42.4 MB). Peak memory consumption was 42.4 MB. Max. memory is 5.3 GB. [2018-02-02 11:09:57,004 INFO L168 Benchmark]: TraceAbstraction took 3265.81 ms. Allocated memory was 406.8 MB in the beginning and 644.3 MB in the end (delta: 237.5 MB). Free memory was 303.9 MB in the beginning and 612.4 MB in the end (delta: -308.5 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-02-02 11:09:57,006 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 406.8 MB. Free memory is still 370.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 168.87 ms. Allocated memory is still 406.8 MB. Free memory was 360.9 MB in the beginning and 349.0 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 32.02 ms. Allocated memory is still 406.8 MB. Free memory was 349.0 MB in the beginning and 346.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 436.44 ms. Allocated memory is still 406.8 MB. Free memory was 346.4 MB in the beginning and 303.9 MB in the end (delta: 42.4 MB). Peak memory consumption was 42.4 MB. Max. memory is 5.3 GB. * TraceAbstraction took 3265.81 ms. Allocated memory was 406.8 MB in the beginning and 644.3 MB in the end (delta: 237.5 MB). Free memory was 303.9 MB in the beginning and 612.4 MB in the end (delta: -308.5 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 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-0-2018-02-02_11-09-57-013.csv Received shutdown request...