java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf -i ../../../trunk/examples/svcomp/forester-heap/sll-01_true-unreach-call_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ccafca9-m [2018-02-04 04:54:49,908 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 04:54:49,909 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 04:54:49,921 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 04:54:49,921 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 04:54:49,922 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 04:54:49,922 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 04:54:49,924 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 04:54:49,925 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 04:54:49,926 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 04:54:49,927 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 04:54:49,927 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 04:54:49,928 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 04:54:49,929 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 04:54:49,929 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 04:54:49,931 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 04:54:49,932 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 04:54:49,934 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 04:54:49,935 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 04:54:49,936 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 04:54:49,937 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-04 04:54:49,938 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-04 04:54:49,938 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-04 04:54:49,939 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-04 04:54:49,939 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-04 04:54:49,940 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-04 04:54:49,940 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-04 04:54:49,941 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-04 04:54:49,941 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-04 04:54:49,941 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-04 04:54:49,941 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-04 04:54:49,941 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf [2018-02-04 04:54:49,950 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 04:54:49,951 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 04:54:49,951 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 04:54:49,951 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 04:54:49,952 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 04:54:49,952 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 04:54:49,952 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 04:54:49,952 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 04:54:49,952 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 04:54:49,952 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 04:54:49,952 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 04:54:49,952 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 04:54:49,952 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 04:54:49,953 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-04 04:54:49,953 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 04:54:49,953 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 04:54:49,953 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 04:54:49,953 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 04:54:49,953 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 04:54:49,953 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 04:54:49,953 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 04:54:49,953 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 04:54:49,954 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-02-04 04:54:49,954 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-02-04 04:54:49,954 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:54:49,982 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 04:54:49,990 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 04:54:49,992 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 04:54:49,993 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 04:54:49,994 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 04:54:49,994 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-01_true-unreach-call_true-valid-memsafety.i [2018-02-04 04:54:50,111 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 04:54:50,112 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 04:54:50,112 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 04:54:50,112 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 04:54:50,116 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 04:54:50,116 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:54:50" (1/1) ... [2018-02-04 04:54:50,118 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@274f1477 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:54:50, skipping insertion in model container [2018-02-04 04:54:50,119 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:54:50" (1/1) ... [2018-02-04 04:54:50,128 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 04:54:50,157 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 04:54:50,249 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 04:54:50,269 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 04:54:50,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:54:50 WrapperNode [2018-02-04 04:54:50,277 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 04:54:50,277 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 04:54:50,277 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 04:54:50,278 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 04:54:50,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:54:50" (1/1) ... [2018-02-04 04:54:50,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:54:50" (1/1) ... [2018-02-04 04:54:50,296 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:54:50" (1/1) ... [2018-02-04 04:54:50,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:54:50" (1/1) ... [2018-02-04 04:54:50,302 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:54:50" (1/1) ... [2018-02-04 04:54:50,307 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:54:50" (1/1) ... [2018-02-04 04:54:50,309 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:54:50" (1/1) ... [2018-02-04 04:54:50,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 04:54:50,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 04:54:50,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 04:54:50,312 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 04:54:50,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:54:50" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 04:54:50,357 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 04:54:50,357 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 04:54:50,357 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 04:54:50,357 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-04 04:54:50,358 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-04 04:54:50,358 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 04:54:50,358 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 04:54:50,358 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 04:54:50,358 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-04 04:54:50,358 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-04 04:54:50,358 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-04 04:54:50,358 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-02-04 04:54:50,359 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 04:54:50,359 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 04:54:50,359 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 04:54:50,775 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 04:54:50,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:54:50 BoogieIcfgContainer [2018-02-04 04:54:50,775 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 04:54:50,776 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 04:54:50,776 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 04:54:50,778 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 04:54:50,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 04:54:50" (1/3) ... [2018-02-04 04:54:50,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5627d1d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:54:50, skipping insertion in model container [2018-02-04 04:54:50,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:54:50" (2/3) ... [2018-02-04 04:54:50,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5627d1d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:54:50, skipping insertion in model container [2018-02-04 04:54:50,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:54:50" (3/3) ... [2018-02-04 04:54:50,780 INFO L107 eAbstractionObserver]: Analyzing ICFG sll-01_true-unreach-call_true-valid-memsafety.i [2018-02-04 04:54:50,785 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-04 04:54:50,790 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 63 error locations. [2018-02-04 04:54:50,812 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 04:54:50,812 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 04:54:50,813 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-02-04 04:54:50,813 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-04 04:54:50,813 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 04:54:50,813 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 04:54:50,813 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 04:54:50,813 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 04:54:50,813 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 04:54:50,825 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states. [2018-02-04 04:54:50,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-04 04:54:50,832 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:54:50,833 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:54:50,833 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr62EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 04:54:50,836 INFO L82 PathProgramCache]: Analyzing trace with hash 1781428784, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:54:50,844 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:54:50,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:54:50,864 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 04:54:50,878 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:54:50,878 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:54:50,879 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:54:50,879 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:54:50,904 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |c_#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)) is different from true [2018-02-04 04:54:50,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:54:50,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:54:50,972 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:54:50,972 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 04:54:50,973 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:54:50,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:54:50,974 INFO L182 omatonBuilderFactory]: Interpolants [192#(= 1 (select |#valid| |main_#t~malloc0.base|)), 193#(= 1 (select |#valid| main_~list~0.base)), 194#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 186#true, 187#false, 191#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp))] [2018-02-04 04:54:50,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:54:50,975 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 04:54:50,987 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 04:54:50,988 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-02-04 04:54:50,989 INFO L87 Difference]: Start difference. First operand 183 states. Second operand 6 states. [2018-02-04 04:54:51,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:54:51,401 INFO L93 Difference]: Finished difference Result 210 states and 221 transitions. [2018-02-04 04:54:51,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-04 04:54:51,402 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 8 [2018-02-04 04:54:51,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:54:51,411 INFO L225 Difference]: With dead ends: 210 [2018-02-04 04:54:51,411 INFO L226 Difference]: Without dead ends: 206 [2018-02-04 04:54:51,413 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=35, Unknown=3, NotChecked=12, Total=72 [2018-02-04 04:54:51,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2018-02-04 04:54:51,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 176. [2018-02-04 04:54:51,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2018-02-04 04:54:51,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 188 transitions. [2018-02-04 04:54:51,502 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 188 transitions. Word has length 8 [2018-02-04 04:54:51,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:54:51,503 INFO L432 AbstractCegarLoop]: Abstraction has 176 states and 188 transitions. [2018-02-04 04:54:51,503 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 04:54:51,503 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 188 transitions. [2018-02-04 04:54:51,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-04 04:54:51,503 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:54:51,504 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:54:51,504 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr62EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 04:54:51,504 INFO L82 PathProgramCache]: Analyzing trace with hash 1781428785, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:54:51,507 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:54:51,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:54:51,513 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 04:54:51,514 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:54:51,515 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:54:51,515 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:54:51,515 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:54:51,522 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 8) (store |c_#length| %1 8)) :qid itp)) :qid itp)) is different from true [2018-02-04 04:54:51,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:54:51,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:54:51,566 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:54:51,566 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 04:54:51,567 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:54:51,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:54:51,567 INFO L182 omatonBuilderFactory]: Interpolants [592#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 8) (store |#length| %1 8)) :qid itp)) :qid itp)), 593#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 594#(and (<= (+ main_~list~0.offset 4) (select |#length| main_~list~0.base)) (<= 0 main_~list~0.offset)), 595#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 587#true, 588#false] [2018-02-04 04:54:51,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:54:51,568 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 04:54:51,568 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 04:54:51,569 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-02-04 04:54:51,569 INFO L87 Difference]: Start difference. First operand 176 states and 188 transitions. Second operand 6 states. [2018-02-04 04:54:51,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:54:51,921 INFO L93 Difference]: Finished difference Result 260 states and 278 transitions. [2018-02-04 04:54:51,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 04:54:51,921 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 8 [2018-02-04 04:54:51,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:54:51,924 INFO L225 Difference]: With dead ends: 260 [2018-02-04 04:54:51,925 INFO L226 Difference]: Without dead ends: 260 [2018-02-04 04:54:51,925 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=28, Unknown=2, NotChecked=10, Total=56 [2018-02-04 04:54:51,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2018-02-04 04:54:51,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 236. [2018-02-04 04:54:51,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2018-02-04 04:54:51,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 275 transitions. [2018-02-04 04:54:51,938 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 275 transitions. Word has length 8 [2018-02-04 04:54:51,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:54:51,938 INFO L432 AbstractCegarLoop]: Abstraction has 236 states and 275 transitions. [2018-02-04 04:54:51,938 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 04:54:51,938 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 275 transitions. [2018-02-04 04:54:51,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-02-04 04:54:51,939 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:54:51,939 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:54:51,939 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr62EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 04:54:51,939 INFO L82 PathProgramCache]: Analyzing trace with hash -477305027, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:54:51,942 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:54:51,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:54:51,952 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 04:54:51,954 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:54:51,954 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:54:51,954 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:54:51,955 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:54:51,966 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 8) (store |c_#length| %1 8)) :qid itp)) :qid itp)) is different from true [2018-02-04 04:54:52,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:54:52,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:54:52,065 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:54:52,065 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 04:54:52,065 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:54:52,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:54:52,066 INFO L182 omatonBuilderFactory]: Interpolants [1104#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 1096#true, 1097#false, 1101#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 8) (store |#length| %1 8)) :qid itp)) :qid itp)), 1102#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 1103#(and (<= (+ main_~list~0.offset 8) (select |#length| main_~list~0.base)) (<= 0 (+ main_~list~0.offset 4)))] [2018-02-04 04:54:52,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:54:52,066 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 04:54:52,067 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 04:54:52,067 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-02-04 04:54:52,067 INFO L87 Difference]: Start difference. First operand 236 states and 275 transitions. Second operand 6 states. [2018-02-04 04:54:52,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:54:52,318 INFO L93 Difference]: Finished difference Result 280 states and 320 transitions. [2018-02-04 04:54:52,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 04:54:52,318 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2018-02-04 04:54:52,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:54:52,319 INFO L225 Difference]: With dead ends: 280 [2018-02-04 04:54:52,319 INFO L226 Difference]: Without dead ends: 280 [2018-02-04 04:54:52,320 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=28, Unknown=2, NotChecked=10, Total=56 [2018-02-04 04:54:52,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2018-02-04 04:54:52,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 266. [2018-02-04 04:54:52,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2018-02-04 04:54:52,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 317 transitions. [2018-02-04 04:54:52,329 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 317 transitions. Word has length 14 [2018-02-04 04:54:52,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:54:52,329 INFO L432 AbstractCegarLoop]: Abstraction has 266 states and 317 transitions. [2018-02-04 04:54:52,329 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 04:54:52,330 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 317 transitions. [2018-02-04 04:54:52,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-02-04 04:54:52,330 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:54:52,330 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:54:52,330 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr62EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 04:54:52,330 INFO L82 PathProgramCache]: Analyzing trace with hash -1911549011, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:54:52,336 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:54:52,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:54:52,378 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier Unsupported proof rule: (let ((a!1 (= (+ 0 (* (- 1) (select |#length_13| |main_#t~malloc0.base_5|))) (* (- 1) (select |#length_13| |main_#t~malloc0.base_5|))))) (rewrite a!1)) [2018-02-04 04:54:52,379 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 80 column 283: theory not supported by interpolation or bad proof at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1420) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:206) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseInterpolants(Executor.java:255) at de.uni_freiburg.informatik.ultimate.smtsolver.external.ScriptorWithGetInterpolants.readInterpolants(ScriptorWithGetInterpolants.java:136) at de.uni_freiburg.informatik.ultimate.smtsolver.external.ScriptorWithGetInterpolants.getInterpolants(ScriptorWithGetInterpolants.java:64) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.DiffWrapperScript.getInterpolants(DiffWrapperScript.java:260) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:186) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:283) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:164) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:294) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:196) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:222) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.FixedTraceAbstractionRefinementStrategy.getTraceCheck(FixedTraceAbstractionRefinementStrategy.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:205) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:397) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:381) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:316) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:292) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:147) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:119) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-02-04 04:54:52,382 INFO L168 Benchmark]: Toolchain (without parser) took 2271.04 ms. Allocated memory was 401.6 MB in the beginning and 605.0 MB in the end (delta: 203.4 MB). Free memory was 358.5 MB in the beginning and 439.0 MB in the end (delta: -80.5 MB). Peak memory consumption was 122.9 MB. Max. memory is 5.3 GB. [2018-02-04 04:54:52,384 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 401.6 MB. Free memory is still 365.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 04:54:52,384 INFO L168 Benchmark]: CACSL2BoogieTranslator took 164.91 ms. Allocated memory is still 401.6 MB. Free memory was 358.5 MB in the beginning and 346.6 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 5.3 GB. [2018-02-04 04:54:52,384 INFO L168 Benchmark]: Boogie Preprocessor took 34.16 ms. Allocated memory is still 401.6 MB. Free memory was 346.6 MB in the beginning and 343.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-02-04 04:54:52,385 INFO L168 Benchmark]: RCFGBuilder took 463.58 ms. Allocated memory is still 401.6 MB. Free memory was 343.9 MB in the beginning and 299.4 MB in the end (delta: 44.6 MB). Peak memory consumption was 44.6 MB. Max. memory is 5.3 GB. [2018-02-04 04:54:52,385 INFO L168 Benchmark]: TraceAbstraction took 1605.87 ms. Allocated memory was 401.6 MB in the beginning and 605.0 MB in the end (delta: 203.4 MB). Free memory was 298.1 MB in the beginning and 439.0 MB in the end (delta: -141.0 MB). Peak memory consumption was 62.5 MB. Max. memory is 5.3 GB. [2018-02-04 04:54:52,393 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 401.6 MB. Free memory is still 365.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 164.91 ms. Allocated memory is still 401.6 MB. Free memory was 358.5 MB in the beginning and 346.6 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 34.16 ms. Allocated memory is still 401.6 MB. Free memory was 346.6 MB in the beginning and 343.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 463.58 ms. Allocated memory is still 401.6 MB. Free memory was 343.9 MB in the beginning and 299.4 MB in the end (delta: 44.6 MB). Peak memory consumption was 44.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1605.87 ms. Allocated memory was 401.6 MB in the beginning and 605.0 MB in the end (delta: 203.4 MB). Free memory was 298.1 MB in the beginning and 439.0 MB in the end (delta: -141.0 MB). Peak memory consumption was 62.5 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 80 column 283: theory not supported by interpolation or bad proof de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 80 column 283: 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/sll-01_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_04-54-52-401.csv Received shutdown request...