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/memsafety/test-0521_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c17473d-m [2018-02-04 20:34:40,298 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 20:34:40,300 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 20:34:40,312 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 20:34:40,313 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 20:34:40,313 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 20:34:40,314 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 20:34:40,316 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 20:34:40,317 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 20:34:40,318 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 20:34:40,318 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 20:34:40,318 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 20:34:40,319 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 20:34:40,319 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 20:34:40,320 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 20:34:40,322 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 20:34:40,324 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 20:34:40,325 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 20:34:40,326 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 20:34:40,327 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 20:34:40,329 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-04 20:34:40,329 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-04 20:34:40,329 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-04 20:34:40,330 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-04 20:34:40,331 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-04 20:34:40,332 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-04 20:34:40,332 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-04 20:34:40,333 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-04 20:34:40,333 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-04 20:34:40,333 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-04 20:34:40,334 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-04 20:34:40,335 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf [2018-02-04 20:34:40,344 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 20:34:40,345 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 20:34:40,345 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 20:34:40,346 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 20:34:40,346 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 20:34:40,346 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 20:34:40,346 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 20:34:40,346 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 20:34:40,347 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 20:34:40,347 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 20:34:40,347 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 20:34:40,347 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 20:34:40,347 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 20:34:40,347 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 20:34:40,348 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 20:34:40,348 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 20:34:40,348 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 20:34:40,348 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 20:34:40,348 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 20:34:40,348 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 20:34:40,349 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 20:34:40,349 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-02-04 20:34:40,349 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-02-04 20:34:40,349 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 20:34:40,378 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 20:34:40,388 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 20:34:40,391 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 20:34:40,392 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 20:34:40,392 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 20:34:40,393 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0521_true-valid-memsafety.i [2018-02-04 20:34:40,530 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 20:34:40,531 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 20:34:40,532 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 20:34:40,532 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 20:34:40,538 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 20:34:40,538 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 08:34:40" (1/1) ... [2018-02-04 20:34:40,540 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1babdffc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:34:40, skipping insertion in model container [2018-02-04 20:34:40,541 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 08:34:40" (1/1) ... [2018-02-04 20:34:40,556 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 20:34:40,586 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 20:34:40,683 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 20:34:40,707 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 20:34:40,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:34:40 WrapperNode [2018-02-04 20:34:40,713 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 20:34:40,713 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 20:34:40,714 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 20:34:40,714 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 20:34:40,722 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:34:40" (1/1) ... [2018-02-04 20:34:40,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:34:40" (1/1) ... [2018-02-04 20:34:40,729 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:34:40" (1/1) ... [2018-02-04 20:34:40,729 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:34:40" (1/1) ... [2018-02-04 20:34:40,734 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:34:40" (1/1) ... [2018-02-04 20:34:40,737 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:34:40" (1/1) ... [2018-02-04 20:34:40,738 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:34:40" (1/1) ... [2018-02-04 20:34:40,740 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 20:34:40,740 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 20:34:40,740 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 20:34:40,740 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 20:34:40,741 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:34:40" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 20:34:40,774 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 20:34:40,774 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 20:34:40,774 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 20:34:40,774 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-04 20:34:40,774 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-04 20:34:40,775 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-04 20:34:40,775 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-04 20:34:40,775 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 20:34:40,775 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 20:34:40,775 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 20:34:40,775 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-04 20:34:40,775 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-02-04 20:34:40,776 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-04 20:34:40,776 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 20:34:40,776 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 20:34:40,776 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 20:34:41,301 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 20:34:41,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 08:34:41 BoogieIcfgContainer [2018-02-04 20:34:41,302 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 20:34:41,302 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 20:34:41,302 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 20:34:41,305 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 20:34:41,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 08:34:40" (1/3) ... [2018-02-04 20:34:41,306 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@684fbe15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 08:34:41, skipping insertion in model container [2018-02-04 20:34:41,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:34:40" (2/3) ... [2018-02-04 20:34:41,307 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@684fbe15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 08:34:41, skipping insertion in model container [2018-02-04 20:34:41,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 08:34:41" (3/3) ... [2018-02-04 20:34:41,308 INFO L107 eAbstractionObserver]: Analyzing ICFG test-0521_true-valid-memsafety.i [2018-02-04 20:34:41,316 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-04 20:34:41,322 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 91 error locations. [2018-02-04 20:34:41,356 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 20:34:41,357 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 20:34:41,357 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-02-04 20:34:41,357 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-04 20:34:41,357 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 20:34:41,357 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 20:34:41,357 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 20:34:41,357 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 20:34:41,358 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 20:34:41,375 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states. [2018-02-04 20:34:41,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-02-04 20:34:41,383 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:34:41,384 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:34:41,384 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr51RequiresViolation, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr85RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr76RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr83RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr87RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr72RequiresViolation, mainErr39RequiresViolation, mainErr81RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr90EnsuresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr88RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr86RequiresViolation, mainErr47RequiresViolation, mainErr73RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:34:41,388 INFO L82 PathProgramCache]: Analyzing trace with hash 2006593009, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 20:34:41,399 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:34:41,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:34:41,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:34:41,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:34:41,482 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:34:41,482 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 20:34:41,483 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:34:41,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:34:41,484 INFO L182 omatonBuilderFactory]: Interpolants [250#true, 251#false, 255#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-02-04 20:34:41,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:34:41,485 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-02-04 20:34:41,498 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-02-04 20:34:41,498 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-04 20:34:41,500 INFO L87 Difference]: Start difference. First operand 247 states. Second operand 3 states. [2018-02-04 20:34:41,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:34:41,984 INFO L93 Difference]: Finished difference Result 379 states and 429 transitions. [2018-02-04 20:34:41,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-02-04 20:34:41,985 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-02-04 20:34:41,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:34:41,997 INFO L225 Difference]: With dead ends: 379 [2018-02-04 20:34:41,997 INFO L226 Difference]: Without dead ends: 374 [2018-02-04 20:34:42,001 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-04 20:34:42,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2018-02-04 20:34:42,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 318. [2018-02-04 20:34:42,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2018-02-04 20:34:42,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 400 transitions. [2018-02-04 20:34:42,086 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 400 transitions. Word has length 10 [2018-02-04 20:34:42,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:34:42,087 INFO L432 AbstractCegarLoop]: Abstraction has 318 states and 400 transitions. [2018-02-04 20:34:42,087 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-02-04 20:34:42,087 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 400 transitions. [2018-02-04 20:34:42,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-02-04 20:34:42,087 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:34:42,087 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:34:42,087 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr51RequiresViolation, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr85RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr76RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr83RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr87RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr72RequiresViolation, mainErr39RequiresViolation, mainErr81RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr90EnsuresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr88RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr86RequiresViolation, mainErr47RequiresViolation, mainErr73RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:34:42,087 INFO L82 PathProgramCache]: Analyzing trace with hash -1287736010, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 20:34:42,090 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:34:42,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:34:42,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:34:42,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:34:42,191 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:34:42,191 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 20:34:42,192 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:34:42,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:34:42,192 INFO L182 omatonBuilderFactory]: Interpolants [960#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 953#true, 954#false, 958#(and (= 0 main_~data~0.offset) (= 0 main_~data~0.base)), 959#(and (= main_~iter~0.list.base 0) (= main_~iter~0.list.offset 0))] [2018-02-04 20:34:42,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:34:42,193 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 20:34:42,194 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 20:34:42,194 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 20:34:42,194 INFO L87 Difference]: Start difference. First operand 318 states and 400 transitions. Second operand 5 states. [2018-02-04 20:34:42,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:34:42,722 INFO L93 Difference]: Finished difference Result 645 states and 715 transitions. [2018-02-04 20:34:42,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-02-04 20:34:42,722 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2018-02-04 20:34:42,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:34:42,725 INFO L225 Difference]: With dead ends: 645 [2018-02-04 20:34:42,726 INFO L226 Difference]: Without dead ends: 645 [2018-02-04 20:34:42,726 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-02-04 20:34:42,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2018-02-04 20:34:42,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 305. [2018-02-04 20:34:42,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2018-02-04 20:34:42,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 367 transitions. [2018-02-04 20:34:42,741 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 367 transitions. Word has length 12 [2018-02-04 20:34:42,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:34:42,741 INFO L432 AbstractCegarLoop]: Abstraction has 305 states and 367 transitions. [2018-02-04 20:34:42,741 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 20:34:42,742 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 367 transitions. [2018-02-04 20:34:42,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-02-04 20:34:42,742 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:34:42,742 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:34:42,742 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr51RequiresViolation, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr85RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr76RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr83RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr87RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr72RequiresViolation, mainErr39RequiresViolation, mainErr81RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr90EnsuresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr88RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr86RequiresViolation, mainErr47RequiresViolation, mainErr73RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:34:42,743 INFO L82 PathProgramCache]: Analyzing trace with hash -1264312096, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 20:34:42,748 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:34:42,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:34:42,758 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 20:34:42,761 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:34:42,761 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:34:42,762 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:34:42,763 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:34:42,827 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |c_#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)) is different from true [2018-02-04 20:34:42,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:34:42,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:34:42,898 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:34:42,898 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 20:34:42,898 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:34:42,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:34:42,899 INFO L182 omatonBuilderFactory]: Interpolants [1920#false, 1924#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)), 1925#(= 1 (select |#valid| |main_#t~malloc1.base|)), 1926#(= 1 (select |#valid| main_~node~0.base)), 1927#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 1919#true] [2018-02-04 20:34:42,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:34:42,899 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 20:34:42,899 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 20:34:42,900 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-02-04 20:34:42,900 INFO L87 Difference]: Start difference. First operand 305 states and 367 transitions. Second operand 6 states. [2018-02-04 20:34:43,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:34:43,558 INFO L93 Difference]: Finished difference Result 500 states and 561 transitions. [2018-02-04 20:34:43,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 20:34:43,559 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2018-02-04 20:34:43,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:34:43,560 INFO L225 Difference]: With dead ends: 500 [2018-02-04 20:34:43,560 INFO L226 Difference]: Without dead ends: 500 [2018-02-04 20:34:43,560 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=28, Unknown=2, NotChecked=10, Total=56 [2018-02-04 20:34:43,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2018-02-04 20:34:43,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 303. [2018-02-04 20:34:43,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 303 states. [2018-02-04 20:34:43,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 365 transitions. [2018-02-04 20:34:43,566 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 365 transitions. Word has length 13 [2018-02-04 20:34:43,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:34:43,567 INFO L432 AbstractCegarLoop]: Abstraction has 303 states and 365 transitions. [2018-02-04 20:34:43,567 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 20:34:43,567 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 365 transitions. [2018-02-04 20:34:43,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-02-04 20:34:43,567 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:34:43,567 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:34:43,568 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr51RequiresViolation, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr85RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr76RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr83RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr87RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr72RequiresViolation, mainErr39RequiresViolation, mainErr81RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr90EnsuresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr88RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr86RequiresViolation, mainErr47RequiresViolation, mainErr73RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:34:43,568 INFO L82 PathProgramCache]: Analyzing trace with hash -1264312095, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 20:34:43,576 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:34:43,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:34:43,582 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 20:34:43,584 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:34:43,584 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:34:43,584 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:34:43,585 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:34:43,587 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 20:34:43,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:34:43,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:34:43,619 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:34:43,619 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 20:34:43,619 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:34:43,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:34:43,619 INFO L182 omatonBuilderFactory]: Interpolants [2736#false, 2740#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 8) (store |#length| %1 8)) :qid itp)) :qid itp)), 2741#(and (= 0 |main_#t~malloc1.offset|) (= 8 (select |#length| |main_#t~malloc1.base|))), 2742#(and (<= (+ main_~node~0.offset 8) (select |#length| main_~node~0.base)) (<= 0 (+ main_~node~0.offset 4))), 2743#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 2735#true] [2018-02-04 20:34:43,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:34:43,620 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 20:34:43,620 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 20:34:43,620 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-02-04 20:34:43,620 INFO L87 Difference]: Start difference. First operand 303 states and 365 transitions. Second operand 6 states. [2018-02-04 20:34:44,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:34:44,148 INFO L93 Difference]: Finished difference Result 433 states and 489 transitions. [2018-02-04 20:34:44,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 20:34:44,149 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2018-02-04 20:34:44,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:34:44,151 INFO L225 Difference]: With dead ends: 433 [2018-02-04 20:34:44,151 INFO L226 Difference]: Without dead ends: 433 [2018-02-04 20:34:44,151 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=27, Unknown=3, NotChecked=10, Total=56 [2018-02-04 20:34:44,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2018-02-04 20:34:44,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 302. [2018-02-04 20:34:44,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2018-02-04 20:34:44,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 364 transitions. [2018-02-04 20:34:44,159 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 364 transitions. Word has length 13 [2018-02-04 20:34:44,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:34:44,160 INFO L432 AbstractCegarLoop]: Abstraction has 302 states and 364 transitions. [2018-02-04 20:34:44,160 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 20:34:44,160 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 364 transitions. [2018-02-04 20:34:44,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-02-04 20:34:44,160 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:34:44,160 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:34:44,161 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr51RequiresViolation, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr85RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr76RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr83RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr87RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr72RequiresViolation, mainErr39RequiresViolation, mainErr81RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr90EnsuresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr88RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr86RequiresViolation, mainErr47RequiresViolation, mainErr73RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:34:44,161 INFO L82 PathProgramCache]: Analyzing trace with hash 471820290, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 20:34:44,172 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:34:44,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:34:44,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:34:44,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:34:44,355 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:34:44,355 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 20:34:44,355 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:34:44,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:34:44,355 INFO L182 omatonBuilderFactory]: Interpolants [3488#(= 0 |main_#t~malloc1.offset|), 3489#(or (<= 0 main_~node~0.offset) (< (select |#length| main_~node~0.base) (+ main_~node~0.offset 8))), 3490#(and (<= (+ main_~node~0.offset 4) (select |#length| main_~node~0.base)) (<= 0 main_~node~0.offset)), 3491#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 3483#true, 3484#false] [2018-02-04 20:34:44,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:34:44,356 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 20:34:44,356 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 20:34:44,356 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-02-04 20:34:44,356 INFO L87 Difference]: Start difference. First operand 302 states and 364 transitions. Second operand 6 states. [2018-02-04 20:34:45,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:34:45,015 INFO L93 Difference]: Finished difference Result 604 states and 678 transitions. [2018-02-04 20:34:45,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 20:34:45,019 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2018-02-04 20:34:45,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:34:45,021 INFO L225 Difference]: With dead ends: 604 [2018-02-04 20:34:45,022 INFO L226 Difference]: Without dead ends: 604 [2018-02-04 20:34:45,022 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-02-04 20:34:45,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2018-02-04 20:34:45,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 301. [2018-02-04 20:34:45,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2018-02-04 20:34:45,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 363 transitions. [2018-02-04 20:34:45,030 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 363 transitions. Word has length 15 [2018-02-04 20:34:45,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:34:45,030 INFO L432 AbstractCegarLoop]: Abstraction has 301 states and 363 transitions. [2018-02-04 20:34:45,030 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 20:34:45,030 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 363 transitions. [2018-02-04 20:34:45,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-02-04 20:34:45,031 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:34:45,031 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] [2018-02-04 20:34:45,031 INFO L371 AbstractCegarLoop]: === Iteration 6 === [mainErr51RequiresViolation, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr85RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr76RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr83RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr87RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr72RequiresViolation, mainErr39RequiresViolation, mainErr81RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr90EnsuresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr88RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr86RequiresViolation, mainErr47RequiresViolation, mainErr73RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:34:45,031 INFO L82 PathProgramCache]: Analyzing trace with hash 184691868, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 20:34:45,034 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:34:45,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:34:45,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:34:45,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:34:45,112 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:34:45,113 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-04 20:34:45,113 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:34:45,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:34:45,113 INFO L182 omatonBuilderFactory]: Interpolants [4402#true, 4403#false, 4407#(and (= 0 main_~data~0.offset) (= 0 main_~data~0.base)), 4408#(and (= 0 main_~list~1.base) (= main_~list~1.offset 0)), 4409#(not |main_#t~short16|), 4410#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-02-04 20:34:45,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:34:45,113 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 20:34:45,113 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 20:34:45,114 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-04 20:34:45,114 INFO L87 Difference]: Start difference. First operand 301 states and 363 transitions. Second operand 6 states. [2018-02-04 20:34:45,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:34:45,393 INFO L93 Difference]: Finished difference Result 324 states and 361 transitions. [2018-02-04 20:34:45,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-02-04 20:34:45,393 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2018-02-04 20:34:45,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:34:45,394 INFO L225 Difference]: With dead ends: 324 [2018-02-04 20:34:45,394 INFO L226 Difference]: Without dead ends: 322 [2018-02-04 20:34:45,394 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-02-04 20:34:45,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2018-02-04 20:34:45,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 290. [2018-02-04 20:34:45,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2018-02-04 20:34:45,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 341 transitions. [2018-02-04 20:34:45,398 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 341 transitions. Word has length 20 [2018-02-04 20:34:45,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:34:45,398 INFO L432 AbstractCegarLoop]: Abstraction has 290 states and 341 transitions. [2018-02-04 20:34:45,398 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 20:34:45,398 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 341 transitions. [2018-02-04 20:34:45,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-02-04 20:34:45,398 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:34:45,398 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] [2018-02-04 20:34:45,398 INFO L371 AbstractCegarLoop]: === Iteration 7 === [mainErr51RequiresViolation, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr85RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr76RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr83RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr87RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr72RequiresViolation, mainErr39RequiresViolation, mainErr81RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr90EnsuresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr88RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr86RequiresViolation, mainErr47RequiresViolation, mainErr73RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:34:45,399 INFO L82 PathProgramCache]: Analyzing trace with hash 415972895, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 20:34:45,402 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:34:45,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:34:45,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:34:45,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:34:45,439 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:34:45,439 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 20:34:45,439 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:34:45,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:34:45,439 INFO L182 omatonBuilderFactory]: Interpolants [5031#true, 5032#false, 5036#(= 1 (select |#valid| |main_#t~malloc5.base|)), 5037#(= 1 (select |#valid| main_~item~0.base)), 5038#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-02-04 20:34:45,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:34:45,440 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 20:34:45,440 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 20:34:45,440 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 20:34:45,440 INFO L87 Difference]: Start difference. First operand 290 states and 341 transitions. Second operand 5 states. [2018-02-04 20:34:45,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:34:45,748 INFO L93 Difference]: Finished difference Result 466 states and 521 transitions. [2018-02-04 20:34:45,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 20:34:45,748 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2018-02-04 20:34:45,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:34:45,749 INFO L225 Difference]: With dead ends: 466 [2018-02-04 20:34:45,749 INFO L226 Difference]: Without dead ends: 466 [2018-02-04 20:34:45,750 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-02-04 20:34:45,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2018-02-04 20:34:45,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 288. [2018-02-04 20:34:45,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2018-02-04 20:34:45,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 339 transitions. [2018-02-04 20:34:45,756 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 339 transitions. Word has length 20 [2018-02-04 20:34:45,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:34:45,756 INFO L432 AbstractCegarLoop]: Abstraction has 288 states and 339 transitions. [2018-02-04 20:34:45,756 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 20:34:45,757 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 339 transitions. [2018-02-04 20:34:45,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-02-04 20:34:45,757 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:34:45,757 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] [2018-02-04 20:34:45,757 INFO L371 AbstractCegarLoop]: === Iteration 8 === [mainErr51RequiresViolation, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr85RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr76RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr83RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr87RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr72RequiresViolation, mainErr39RequiresViolation, mainErr81RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr90EnsuresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr88RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr86RequiresViolation, mainErr47RequiresViolation, mainErr73RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:34:45,758 INFO L82 PathProgramCache]: Analyzing trace with hash 415972896, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 20:34:45,761 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:34:45,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:34:45,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:34:45,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:34:45,808 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:34:45,808 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 20:34:45,808 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:34:45,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:34:45,809 INFO L182 omatonBuilderFactory]: Interpolants [5796#true, 5797#false, 5801#(and (= 0 |main_#t~malloc5.offset|) (= 8 (select |#length| |main_#t~malloc5.base|))), 5802#(and (<= 0 main_~item~0.offset) (<= (+ main_~item~0.offset 4) (select |#length| main_~item~0.base))), 5803#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-02-04 20:34:45,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:34:45,809 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 20:34:45,809 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 20:34:45,809 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 20:34:45,809 INFO L87 Difference]: Start difference. First operand 288 states and 339 transitions. Second operand 5 states. [2018-02-04 20:34:46,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:34:46,219 INFO L93 Difference]: Finished difference Result 399 states and 449 transitions. [2018-02-04 20:34:46,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 20:34:46,219 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2018-02-04 20:34:46,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:34:46,221 INFO L225 Difference]: With dead ends: 399 [2018-02-04 20:34:46,221 INFO L226 Difference]: Without dead ends: 399 [2018-02-04 20:34:46,221 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-02-04 20:34:46,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2018-02-04 20:34:46,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 287. [2018-02-04 20:34:46,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2018-02-04 20:34:46,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 338 transitions. [2018-02-04 20:34:46,227 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 338 transitions. Word has length 20 [2018-02-04 20:34:46,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:34:46,227 INFO L432 AbstractCegarLoop]: Abstraction has 287 states and 338 transitions. [2018-02-04 20:34:46,227 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 20:34:46,227 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 338 transitions. [2018-02-04 20:34:46,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-02-04 20:34:46,228 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:34:46,228 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:34:46,228 INFO L371 AbstractCegarLoop]: === Iteration 9 === [mainErr51RequiresViolation, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr85RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr76RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr83RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr87RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr72RequiresViolation, mainErr39RequiresViolation, mainErr81RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr90EnsuresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr88RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr86RequiresViolation, mainErr47RequiresViolation, mainErr73RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:34:46,228 INFO L82 PathProgramCache]: Analyzing trace with hash 10257867, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 20:34:46,233 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:34:46,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:34:46,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:34:46,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:34:46,299 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:34:46,299 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 20:34:46,300 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:34:46,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:34:46,300 INFO L182 omatonBuilderFactory]: Interpolants [6498#(and (= 0 |main_#t~malloc5.offset|) (= 8 (select |#length| |main_#t~malloc5.base|))), 6499#(and (<= 0 (+ main_~item~0.offset 4)) (<= (+ main_~item~0.offset 8) (select |#length| main_~item~0.base))), 6500#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 6493#true, 6494#false] [2018-02-04 20:34:46,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:34:46,300 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 20:34:46,301 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 20:34:46,301 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 20:34:46,301 INFO L87 Difference]: Start difference. First operand 287 states and 338 transitions. Second operand 5 states. [2018-02-04 20:34:46,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:34:46,717 INFO L93 Difference]: Finished difference Result 398 states and 448 transitions. [2018-02-04 20:34:46,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 20:34:46,718 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2018-02-04 20:34:46,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:34:46,720 INFO L225 Difference]: With dead ends: 398 [2018-02-04 20:34:46,720 INFO L226 Difference]: Without dead ends: 398 [2018-02-04 20:34:46,720 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-02-04 20:34:46,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2018-02-04 20:34:46,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 286. [2018-02-04 20:34:46,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2018-02-04 20:34:46,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 337 transitions. [2018-02-04 20:34:46,731 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 337 transitions. Word has length 21 [2018-02-04 20:34:46,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:34:46,731 INFO L432 AbstractCegarLoop]: Abstraction has 286 states and 337 transitions. [2018-02-04 20:34:46,731 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 20:34:46,731 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 337 transitions. [2018-02-04 20:34:46,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-02-04 20:34:46,731 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:34:46,732 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, 1, 1] [2018-02-04 20:34:46,732 INFO L371 AbstractCegarLoop]: === Iteration 10 === [mainErr51RequiresViolation, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr85RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr76RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr83RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr87RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr72RequiresViolation, mainErr39RequiresViolation, mainErr81RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr90EnsuresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr88RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr86RequiresViolation, mainErr47RequiresViolation, mainErr73RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:34:46,732 INFO L82 PathProgramCache]: Analyzing trace with hash 308407885, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 20:34:46,736 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:34:46,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:34:46,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:34:46,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:34:46,786 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:34:46,786 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-04 20:34:46,786 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:34:46,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:34:46,787 INFO L182 omatonBuilderFactory]: Interpolants [7188#true, 7189#false, 7193#(and (= 0 main_~data~0.offset) (= 0 main_~data~0.base)), 7194#(and (= 0 main_~list~1.offset) (= 0 main_~list~1.base)), 7195#(and (= main_~iter~1.list.offset 0) (= main_~iter~1.list.base 0)), 7196#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-02-04 20:34:46,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:34:46,787 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 20:34:46,787 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 20:34:46,788 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-04 20:34:46,788 INFO L87 Difference]: Start difference. First operand 286 states and 337 transitions. Second operand 6 states. [2018-02-04 20:34:46,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:34:46,990 INFO L93 Difference]: Finished difference Result 314 states and 346 transitions. [2018-02-04 20:34:46,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-02-04 20:34:46,990 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2018-02-04 20:34:46,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:34:46,991 INFO L225 Difference]: With dead ends: 314 [2018-02-04 20:34:46,991 INFO L226 Difference]: Without dead ends: 295 [2018-02-04 20:34:46,991 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-02-04 20:34:46,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2018-02-04 20:34:46,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 254. [2018-02-04 20:34:46,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2018-02-04 20:34:46,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 283 transitions. [2018-02-04 20:34:46,995 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 283 transitions. Word has length 23 [2018-02-04 20:34:46,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:34:46,995 INFO L432 AbstractCegarLoop]: Abstraction has 254 states and 283 transitions. [2018-02-04 20:34:46,995 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 20:34:46,995 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 283 transitions. [2018-02-04 20:34:46,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-02-04 20:34:46,996 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:34:46,996 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:34:46,996 INFO L371 AbstractCegarLoop]: === Iteration 11 === [mainErr51RequiresViolation, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr85RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr76RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr83RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr87RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr72RequiresViolation, mainErr39RequiresViolation, mainErr81RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr90EnsuresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr88RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr86RequiresViolation, mainErr47RequiresViolation, mainErr73RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:34:46,996 INFO L82 PathProgramCache]: Analyzing trace with hash -1728935830, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 20:34:47,000 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:34:47,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:34:47,037 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 122 column 374: theory not supported by interpolation or bad proof at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1420) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:206) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseInterpolants(Executor.java:255) at de.uni_freiburg.informatik.ultimate.smtsolver.external.ScriptorWithGetInterpolants.readInterpolants(ScriptorWithGetInterpolants.java:136) at de.uni_freiburg.informatik.ultimate.smtsolver.external.ScriptorWithGetInterpolants.getInterpolants(ScriptorWithGetInterpolants.java:64) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.DiffWrapperScript.getInterpolants(DiffWrapperScript.java:260) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:186) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:283) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:164) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:298) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:222) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.FixedTraceAbstractionRefinementStrategy.getTraceCheck(FixedTraceAbstractionRefinementStrategy.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:205) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:397) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:381) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:316) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:292) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:147) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:119) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-02-04 20:34:47,040 INFO L168 Benchmark]: Toolchain (without parser) took 6509.73 ms. Allocated memory was 403.7 MB in the beginning and 721.9 MB in the end (delta: 318.2 MB). Free memory was 360.4 MB in the beginning and 595.3 MB in the end (delta: -234.9 MB). Peak memory consumption was 83.3 MB. Max. memory is 5.3 GB. [2018-02-04 20:34:47,041 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 403.7 MB. Free memory is still 367.0 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 20:34:47,041 INFO L168 Benchmark]: CACSL2BoogieTranslator took 181.61 ms. Allocated memory is still 403.7 MB. Free memory was 360.4 MB in the beginning and 348.3 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 5.3 GB. [2018-02-04 20:34:47,042 INFO L168 Benchmark]: Boogie Preprocessor took 26.46 ms. Allocated memory is still 403.7 MB. Free memory was 348.3 MB in the beginning and 345.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 5.3 GB. [2018-02-04 20:34:47,042 INFO L168 Benchmark]: RCFGBuilder took 561.59 ms. Allocated memory is still 403.7 MB. Free memory was 345.6 MB in the beginning and 282.7 MB in the end (delta: 63.0 MB). Peak memory consumption was 63.0 MB. Max. memory is 5.3 GB. [2018-02-04 20:34:47,043 INFO L168 Benchmark]: TraceAbstraction took 5736.97 ms. Allocated memory was 403.7 MB in the beginning and 721.9 MB in the end (delta: 318.2 MB). Free memory was 282.7 MB in the beginning and 595.3 MB in the end (delta: -312.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 5.3 GB. [2018-02-04 20:34:47,045 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 403.7 MB. Free memory is still 367.0 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 181.61 ms. Allocated memory is still 403.7 MB. Free memory was 360.4 MB in the beginning and 348.3 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 26.46 ms. Allocated memory is still 403.7 MB. Free memory was 348.3 MB in the beginning and 345.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 5.3 GB. * RCFGBuilder took 561.59 ms. Allocated memory is still 403.7 MB. Free memory was 345.6 MB in the beginning and 282.7 MB in the end (delta: 63.0 MB). Peak memory consumption was 63.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 5736.97 ms. Allocated memory was 403.7 MB in the beginning and 721.9 MB in the end (delta: 318.2 MB). Free memory was 282.7 MB in the beginning and 595.3 MB in the end (delta: -312.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 122 column 374: theory not supported by interpolation or bad proof de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 122 column 374: 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/test-0521_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_20-34-47-053.csv Received shutdown request...