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-0137_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c17473d-m [2018-02-04 20:25:39,525 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 20:25:39,526 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 20:25:39,540 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 20:25:39,540 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 20:25:39,540 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 20:25:39,541 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 20:25:39,543 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 20:25:39,544 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 20:25:39,545 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 20:25:39,546 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 20:25:39,546 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 20:25:39,547 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 20:25:39,548 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 20:25:39,548 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 20:25:39,550 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 20:25:39,552 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 20:25:39,553 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 20:25:39,554 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 20:25:39,555 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 20:25:39,557 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-04 20:25:39,557 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-04 20:25:39,558 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-04 20:25:39,558 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-04 20:25:39,559 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-04 20:25:39,560 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-04 20:25:39,560 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-04 20:25:39,561 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-04 20:25:39,561 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-04 20:25:39,561 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-04 20:25:39,561 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-04 20:25:39,562 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 20:25:39,571 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 20:25:39,572 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 20:25:39,572 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 20:25:39,573 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 20:25:39,573 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 20:25:39,573 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 20:25:39,573 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 20:25:39,573 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 20:25:39,573 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 20:25:39,573 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 20:25:39,573 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 20:25:39,573 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 20:25:39,573 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 20:25:39,574 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 20:25:39,574 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 20:25:39,574 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 20:25:39,574 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 20:25:39,574 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 20:25:39,574 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 20:25:39,574 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 20:25:39,574 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 20:25:39,574 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-02-04 20:25:39,575 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-02-04 20:25:39,575 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 20:25:39,601 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 20:25:39,609 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 20:25:39,611 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 20:25:39,613 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 20:25:39,613 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 20:25:39,614 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0137_false-valid-deref.i [2018-02-04 20:25:39,749 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 20:25:39,750 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 20:25:39,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 20:25:39,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 20:25:39,758 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 20:25:39,758 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 08:25:39" (1/1) ... [2018-02-04 20:25:39,761 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@87928be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:25:39, skipping insertion in model container [2018-02-04 20:25:39,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 08:25:39" (1/1) ... [2018-02-04 20:25:39,777 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 20:25:39,808 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 20:25:39,905 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 20:25:39,922 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 20:25:39,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:25:39 WrapperNode [2018-02-04 20:25:39,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 20:25:39,930 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 20:25:39,930 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 20:25:39,930 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 20:25:39,939 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:25:39" (1/1) ... [2018-02-04 20:25:39,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:25:39" (1/1) ... [2018-02-04 20:25:39,948 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:25:39" (1/1) ... [2018-02-04 20:25:39,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:25:39" (1/1) ... [2018-02-04 20:25:39,955 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:25:39" (1/1) ... [2018-02-04 20:25:39,957 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:25:39" (1/1) ... [2018-02-04 20:25:39,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:25:39" (1/1) ... [2018-02-04 20:25:39,960 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 20:25:39,961 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 20:25:39,961 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 20:25:39,961 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 20:25:39,961 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:25:39" (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 20:25:39,996 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 20:25:39,996 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 20:25:39,996 INFO L136 BoogieDeclarations]: Found implementation of procedure list_empty [2018-02-04 20:25:39,996 INFO L136 BoogieDeclarations]: Found implementation of procedure __list_add [2018-02-04 20:25:39,996 INFO L136 BoogieDeclarations]: Found implementation of procedure __list_del [2018-02-04 20:25:39,996 INFO L136 BoogieDeclarations]: Found implementation of procedure list_add [2018-02-04 20:25:39,996 INFO L136 BoogieDeclarations]: Found implementation of procedure list_move [2018-02-04 20:25:39,996 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_insert [2018-02-04 20:25:39,996 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_read [2018-02-04 20:25:39,997 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_destroy [2018-02-04 20:25:39,997 INFO L136 BoogieDeclarations]: Found implementation of procedure val_from_node [2018-02-04 20:25:39,997 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_seek_max [2018-02-04 20:25:39,997 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_sort [2018-02-04 20:25:39,997 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 20:25:39,997 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-04 20:25:39,997 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-04 20:25:39,997 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-04 20:25:39,997 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-04 20:25:39,997 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 20:25:39,997 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 20:25:39,997 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 20:25:39,997 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-04 20:25:39,998 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-02-04 20:25:39,998 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-04 20:25:39,998 INFO L128 BoogieDeclarations]: Found specification of procedure list_empty [2018-02-04 20:25:39,998 INFO L128 BoogieDeclarations]: Found specification of procedure __list_add [2018-02-04 20:25:39,998 INFO L128 BoogieDeclarations]: Found specification of procedure __list_del [2018-02-04 20:25:39,998 INFO L128 BoogieDeclarations]: Found specification of procedure list_add [2018-02-04 20:25:39,998 INFO L128 BoogieDeclarations]: Found specification of procedure list_move [2018-02-04 20:25:39,998 INFO L128 BoogieDeclarations]: Found specification of procedure gl_insert [2018-02-04 20:25:39,998 INFO L128 BoogieDeclarations]: Found specification of procedure gl_read [2018-02-04 20:25:39,998 INFO L128 BoogieDeclarations]: Found specification of procedure gl_destroy [2018-02-04 20:25:39,998 INFO L128 BoogieDeclarations]: Found specification of procedure val_from_node [2018-02-04 20:25:39,998 INFO L128 BoogieDeclarations]: Found specification of procedure gl_seek_max [2018-02-04 20:25:39,998 INFO L128 BoogieDeclarations]: Found specification of procedure gl_sort [2018-02-04 20:25:39,998 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 20:25:39,999 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 20:25:39,999 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 20:25:40,396 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 20:25:40,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 08:25:40 BoogieIcfgContainer [2018-02-04 20:25:40,396 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 20:25:40,397 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 20:25:40,397 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 20:25:40,399 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 20:25:40,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 08:25:39" (1/3) ... [2018-02-04 20:25:40,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45d37a21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 08:25:40, skipping insertion in model container [2018-02-04 20:25:40,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:25:39" (2/3) ... [2018-02-04 20:25:40,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45d37a21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 08:25:40, skipping insertion in model container [2018-02-04 20:25:40,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 08:25:40" (3/3) ... [2018-02-04 20:25:40,401 INFO L107 eAbstractionObserver]: Analyzing ICFG test-0137_false-valid-deref.i [2018-02-04 20:25:40,406 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-04 20:25:40,412 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 63 error locations. [2018-02-04 20:25:40,437 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 20:25:40,437 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 20:25:40,437 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-02-04 20:25:40,437 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-04 20:25:40,437 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 20:25:40,437 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 20:25:40,437 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 20:25:40,437 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 20:25:40,438 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 20:25:40,449 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states. [2018-02-04 20:25:40,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-02-04 20:25:40,456 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:25:40,456 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-02-04 20:25:40,456 INFO L371 AbstractCegarLoop]: === Iteration 1 === [__list_addErr1RequiresViolation, __list_addErr3RequiresViolation, __list_addErr0RequiresViolation, __list_addErr2RequiresViolation, __list_addErr4RequiresViolation, __list_addErr7RequiresViolation, __list_addErr5RequiresViolation, __list_addErr6RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, val_from_nodeErr0RequiresViolation, val_from_nodeErr1RequiresViolation, list_moveErr0RequiresViolation, list_moveErr3RequiresViolation, list_moveErr2RequiresViolation, list_moveErr1RequiresViolation, gl_sortErr16RequiresViolation, gl_sortErr4RequiresViolation, gl_sortErr12RequiresViolation, gl_sortErr5RequiresViolation, gl_sortErr0RequiresViolation, gl_sortErr11RequiresViolation, gl_sortErr9RequiresViolation, gl_sortErr2RequiresViolation, gl_sortErr18RequiresViolation, gl_sortErr7RequiresViolation, gl_sortErr13RequiresViolation, gl_sortErr14RequiresViolation, gl_sortErr19RequiresViolation, gl_sortErr6RequiresViolation, gl_sortErr1RequiresViolation, gl_sortErr17RequiresViolation, gl_sortErr15RequiresViolation, gl_sortErr10RequiresViolation, gl_sortErr8RequiresViolation, gl_sortErr3RequiresViolation, list_addErr1RequiresViolation, list_addErr0RequiresViolation, list_emptyErr0RequiresViolation, list_emptyErr1RequiresViolation, __list_delErr0RequiresViolation, __list_delErr2RequiresViolation, __list_delErr3RequiresViolation, __list_delErr1RequiresViolation, mainErr0EnsuresViolation, gl_insertErr0RequiresViolation, gl_insertErr1RequiresViolation, gl_seek_maxErr0RequiresViolation, gl_seek_maxErr2RequiresViolation, gl_seek_maxErr1RequiresViolation, gl_seek_maxErr5RequiresViolation, gl_seek_maxErr3RequiresViolation, gl_seek_maxErr4RequiresViolation, gl_destroyErr4RequiresViolation, gl_destroyErr2RequiresViolation, gl_destroyErr0RequiresViolation, gl_destroyErr1RequiresViolation, gl_destroyErr6RequiresViolation, gl_destroyErr7RequiresViolation, gl_destroyErr3RequiresViolation, gl_destroyErr5RequiresViolation]=== [2018-02-04 20:25:40,459 INFO L82 PathProgramCache]: Analyzing trace with hash 8574872, 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 20:25:40,467 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:25:40,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:25:40,513 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 20:25:40,531 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:25:40,532 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-02-04 20:25:40,532 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:25:40,533 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 20:25:40,533 INFO L182 omatonBuilderFactory]: Interpolants [192#false, 193#(= 1 (select |#valid| |~#gl_list.base|)), 191#true] [2018-02-04 20:25:40,533 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 20:25:40,534 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-02-04 20:25:40,542 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-02-04 20:25:40,542 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-04 20:25:40,543 INFO L87 Difference]: Start difference. First operand 188 states. Second operand 3 states. [2018-02-04 20:25:40,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:25:40,714 INFO L93 Difference]: Finished difference Result 189 states and 199 transitions. [2018-02-04 20:25:40,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-02-04 20:25:40,715 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-02-04 20:25:40,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:25:40,726 INFO L225 Difference]: With dead ends: 189 [2018-02-04 20:25:40,727 INFO L226 Difference]: Without dead ends: 186 [2018-02-04 20:25:40,728 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 20:25:40,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2018-02-04 20:25:40,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 185. [2018-02-04 20:25:40,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-02-04 20:25:40,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 196 transitions. [2018-02-04 20:25:40,848 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 196 transitions. Word has length 4 [2018-02-04 20:25:40,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:25:40,848 INFO L432 AbstractCegarLoop]: Abstraction has 185 states and 196 transitions. [2018-02-04 20:25:40,848 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-02-04 20:25:40,848 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 196 transitions. [2018-02-04 20:25:40,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-02-04 20:25:40,849 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:25:40,849 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-02-04 20:25:40,849 INFO L371 AbstractCegarLoop]: === Iteration 2 === [__list_addErr1RequiresViolation, __list_addErr3RequiresViolation, __list_addErr0RequiresViolation, __list_addErr2RequiresViolation, __list_addErr4RequiresViolation, __list_addErr7RequiresViolation, __list_addErr5RequiresViolation, __list_addErr6RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, val_from_nodeErr0RequiresViolation, val_from_nodeErr1RequiresViolation, list_moveErr0RequiresViolation, list_moveErr3RequiresViolation, list_moveErr2RequiresViolation, list_moveErr1RequiresViolation, gl_sortErr16RequiresViolation, gl_sortErr4RequiresViolation, gl_sortErr12RequiresViolation, gl_sortErr5RequiresViolation, gl_sortErr0RequiresViolation, gl_sortErr11RequiresViolation, gl_sortErr9RequiresViolation, gl_sortErr2RequiresViolation, gl_sortErr18RequiresViolation, gl_sortErr7RequiresViolation, gl_sortErr13RequiresViolation, gl_sortErr14RequiresViolation, gl_sortErr19RequiresViolation, gl_sortErr6RequiresViolation, gl_sortErr1RequiresViolation, gl_sortErr17RequiresViolation, gl_sortErr15RequiresViolation, gl_sortErr10RequiresViolation, gl_sortErr8RequiresViolation, gl_sortErr3RequiresViolation, list_addErr1RequiresViolation, list_addErr0RequiresViolation, list_emptyErr0RequiresViolation, list_emptyErr1RequiresViolation, __list_delErr0RequiresViolation, __list_delErr2RequiresViolation, __list_delErr3RequiresViolation, __list_delErr1RequiresViolation, mainErr0EnsuresViolation, gl_insertErr0RequiresViolation, gl_insertErr1RequiresViolation, gl_seek_maxErr0RequiresViolation, gl_seek_maxErr2RequiresViolation, gl_seek_maxErr1RequiresViolation, gl_seek_maxErr5RequiresViolation, gl_seek_maxErr3RequiresViolation, gl_seek_maxErr4RequiresViolation, gl_destroyErr4RequiresViolation, gl_destroyErr2RequiresViolation, gl_destroyErr0RequiresViolation, gl_destroyErr1RequiresViolation, gl_destroyErr6RequiresViolation, gl_destroyErr7RequiresViolation, gl_destroyErr3RequiresViolation, gl_destroyErr5RequiresViolation]=== [2018-02-04 20:25:40,850 INFO L82 PathProgramCache]: Analyzing trace with hash 8574873, 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 20:25:40,853 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:25:40,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:25:40,862 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 20:25:40,866 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:25:40,866 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:25:40,867 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:25:40,867 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:25:40,894 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 20:25:40,921 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 20:25:40,937 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:25:40,937 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-02-04 20:25:40,937 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:25:40,937 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 20:25:40,938 INFO L182 omatonBuilderFactory]: Interpolants [568#true, 569#false, 570#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 8) (store |#length| %1 8)) :qid itp)) :qid itp)), 571#(and (<= 0 |~#gl_list.offset|) (= 8 (select |#length| |~#gl_list.base|)) (<= (+ |~#gl_list.offset| 4) (select |#length| |~#gl_list.base|)))] [2018-02-04 20:25:40,938 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 20:25:40,939 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 20:25:40,939 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 20:25:40,939 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=4, Unknown=1, NotChecked=2, Total=12 [2018-02-04 20:25:40,939 INFO L87 Difference]: Start difference. First operand 185 states and 196 transitions. Second operand 4 states. [2018-02-04 20:25:41,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:25:41,016 INFO L93 Difference]: Finished difference Result 188 states and 200 transitions. [2018-02-04 20:25:41,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-04 20:25:41,016 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-02-04 20:25:41,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:25:41,018 INFO L225 Difference]: With dead ends: 188 [2018-02-04 20:25:41,018 INFO L226 Difference]: Without dead ends: 188 [2018-02-04 20:25:41,019 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=4, Unknown=1, NotChecked=2, Total=12 [2018-02-04 20:25:41,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2018-02-04 20:25:41,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 184. [2018-02-04 20:25:41,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2018-02-04 20:25:41,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 195 transitions. [2018-02-04 20:25:41,032 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 195 transitions. Word has length 4 [2018-02-04 20:25:41,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:25:41,032 INFO L432 AbstractCegarLoop]: Abstraction has 184 states and 195 transitions. [2018-02-04 20:25:41,032 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 20:25:41,032 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 195 transitions. [2018-02-04 20:25:41,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-02-04 20:25:41,033 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:25:41,033 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-02-04 20:25:41,033 INFO L371 AbstractCegarLoop]: === Iteration 3 === [__list_addErr1RequiresViolation, __list_addErr3RequiresViolation, __list_addErr0RequiresViolation, __list_addErr2RequiresViolation, __list_addErr4RequiresViolation, __list_addErr7RequiresViolation, __list_addErr5RequiresViolation, __list_addErr6RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, val_from_nodeErr0RequiresViolation, val_from_nodeErr1RequiresViolation, list_moveErr0RequiresViolation, list_moveErr3RequiresViolation, list_moveErr2RequiresViolation, list_moveErr1RequiresViolation, gl_sortErr16RequiresViolation, gl_sortErr4RequiresViolation, gl_sortErr12RequiresViolation, gl_sortErr5RequiresViolation, gl_sortErr0RequiresViolation, gl_sortErr11RequiresViolation, gl_sortErr9RequiresViolation, gl_sortErr2RequiresViolation, gl_sortErr18RequiresViolation, gl_sortErr7RequiresViolation, gl_sortErr13RequiresViolation, gl_sortErr14RequiresViolation, gl_sortErr19RequiresViolation, gl_sortErr6RequiresViolation, gl_sortErr1RequiresViolation, gl_sortErr17RequiresViolation, gl_sortErr15RequiresViolation, gl_sortErr10RequiresViolation, gl_sortErr8RequiresViolation, gl_sortErr3RequiresViolation, list_addErr1RequiresViolation, list_addErr0RequiresViolation, list_emptyErr0RequiresViolation, list_emptyErr1RequiresViolation, __list_delErr0RequiresViolation, __list_delErr2RequiresViolation, __list_delErr3RequiresViolation, __list_delErr1RequiresViolation, mainErr0EnsuresViolation, gl_insertErr0RequiresViolation, gl_insertErr1RequiresViolation, gl_seek_maxErr0RequiresViolation, gl_seek_maxErr2RequiresViolation, gl_seek_maxErr1RequiresViolation, gl_seek_maxErr5RequiresViolation, gl_seek_maxErr3RequiresViolation, gl_seek_maxErr4RequiresViolation, gl_destroyErr4RequiresViolation, gl_destroyErr2RequiresViolation, gl_destroyErr0RequiresViolation, gl_destroyErr1RequiresViolation, gl_destroyErr6RequiresViolation, gl_destroyErr7RequiresViolation, gl_destroyErr3RequiresViolation, gl_destroyErr5RequiresViolation]=== [2018-02-04 20:25:41,033 INFO L82 PathProgramCache]: Analyzing trace with hash 265821153, 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 20:25:41,036 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:25:41,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:25:41,045 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 20:25:41,046 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:25:41,046 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:25:41,046 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:25:41,047 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:25:41,057 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 20:25:41,075 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 20:25:41,104 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:25:41,104 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-02-04 20:25:41,104 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:25:41,104 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 20:25:41,104 INFO L182 omatonBuilderFactory]: Interpolants [944#true, 945#false, 946#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 8) (store |#length| %1 8)) :qid itp)) :qid itp)), 947#(and (<= 0 (+ |~#gl_list.offset| 4)) (= 8 (select |#length| |~#gl_list.base|)) (<= (+ |~#gl_list.offset| 8) (select |#length| |~#gl_list.base|)))] [2018-02-04 20:25:41,105 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 20:25:41,105 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 20:25:41,105 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 20:25:41,105 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=4, Unknown=1, NotChecked=2, Total=12 [2018-02-04 20:25:41,105 INFO L87 Difference]: Start difference. First operand 184 states and 195 transitions. Second operand 4 states. [2018-02-04 20:25:41,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:25:41,211 INFO L93 Difference]: Finished difference Result 187 states and 199 transitions. [2018-02-04 20:25:41,211 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-04 20:25:41,212 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2018-02-04 20:25:41,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:25:41,213 INFO L225 Difference]: With dead ends: 187 [2018-02-04 20:25:41,213 INFO L226 Difference]: Without dead ends: 187 [2018-02-04 20:25:41,214 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=4, Unknown=1, NotChecked=2, Total=12 [2018-02-04 20:25:41,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2018-02-04 20:25:41,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 183. [2018-02-04 20:25:41,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2018-02-04 20:25:41,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 194 transitions. [2018-02-04 20:25:41,223 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 194 transitions. Word has length 5 [2018-02-04 20:25:41,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:25:41,223 INFO L432 AbstractCegarLoop]: Abstraction has 183 states and 194 transitions. [2018-02-04 20:25:41,223 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 20:25:41,223 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 194 transitions. [2018-02-04 20:25:41,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-02-04 20:25:41,224 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:25:41,224 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:25:41,224 INFO L371 AbstractCegarLoop]: === Iteration 4 === [__list_addErr1RequiresViolation, __list_addErr3RequiresViolation, __list_addErr0RequiresViolation, __list_addErr2RequiresViolation, __list_addErr4RequiresViolation, __list_addErr7RequiresViolation, __list_addErr5RequiresViolation, __list_addErr6RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, val_from_nodeErr0RequiresViolation, val_from_nodeErr1RequiresViolation, list_moveErr0RequiresViolation, list_moveErr3RequiresViolation, list_moveErr2RequiresViolation, list_moveErr1RequiresViolation, gl_sortErr16RequiresViolation, gl_sortErr4RequiresViolation, gl_sortErr12RequiresViolation, gl_sortErr5RequiresViolation, gl_sortErr0RequiresViolation, gl_sortErr11RequiresViolation, gl_sortErr9RequiresViolation, gl_sortErr2RequiresViolation, gl_sortErr18RequiresViolation, gl_sortErr7RequiresViolation, gl_sortErr13RequiresViolation, gl_sortErr14RequiresViolation, gl_sortErr19RequiresViolation, gl_sortErr6RequiresViolation, gl_sortErr1RequiresViolation, gl_sortErr17RequiresViolation, gl_sortErr15RequiresViolation, gl_sortErr10RequiresViolation, gl_sortErr8RequiresViolation, gl_sortErr3RequiresViolation, list_addErr1RequiresViolation, list_addErr0RequiresViolation, list_emptyErr0RequiresViolation, list_emptyErr1RequiresViolation, __list_delErr0RequiresViolation, __list_delErr2RequiresViolation, __list_delErr3RequiresViolation, __list_delErr1RequiresViolation, mainErr0EnsuresViolation, gl_insertErr0RequiresViolation, gl_insertErr1RequiresViolation, gl_seek_maxErr0RequiresViolation, gl_seek_maxErr2RequiresViolation, gl_seek_maxErr1RequiresViolation, gl_seek_maxErr5RequiresViolation, gl_seek_maxErr3RequiresViolation, gl_seek_maxErr4RequiresViolation, gl_destroyErr4RequiresViolation, gl_destroyErr2RequiresViolation, gl_destroyErr0RequiresViolation, gl_destroyErr1RequiresViolation, gl_destroyErr6RequiresViolation, gl_destroyErr7RequiresViolation, gl_destroyErr3RequiresViolation, gl_destroyErr5RequiresViolation]=== [2018-02-04 20:25:41,224 INFO L82 PathProgramCache]: Analyzing trace with hash 1609065266, 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 20:25:41,229 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:25:41,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:25:41,243 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 20:25:41,244 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:25:41,244 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:25:41,245 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:25:41,245 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:25:41,250 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |c_#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)) is different from true [2018-02-04 20:25:41,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:25:41,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:25:41,310 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:25:41,310 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 20:25:41,310 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:25:41,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:25:41,311 INFO L182 omatonBuilderFactory]: Interpolants [1328#(= 1 (select |#valid| gl_insert_~node~0.base)), 1329#(and (= |~#gl_list.offset| |old(~#gl_list.offset)|) (= |~#gl_list.base| |old(~#gl_list.base)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 1318#true, 1319#false, 1326#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)), 1327#(= 1 (select |#valid| |gl_insert_#t~malloc10.base|))] [2018-02-04 20:25:41,311 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 20:25:41,311 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 20:25:41,311 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 20:25:41,311 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-02-04 20:25:41,312 INFO L87 Difference]: Start difference. First operand 183 states and 194 transitions. Second operand 6 states. [2018-02-04 20:25:41,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:25:41,784 INFO L93 Difference]: Finished difference Result 197 states and 211 transitions. [2018-02-04 20:25:41,785 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 20:25:41,785 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2018-02-04 20:25:41,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:25:41,787 INFO L225 Difference]: With dead ends: 197 [2018-02-04 20:25:41,787 INFO L226 Difference]: Without dead ends: 197 [2018-02-04 20:25:41,787 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=26, Unknown=4, NotChecked=10, Total=56 [2018-02-04 20:25:41,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2018-02-04 20:25:41,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 182. [2018-02-04 20:25:41,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2018-02-04 20:25:41,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 193 transitions. [2018-02-04 20:25:41,795 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 193 transitions. Word has length 16 [2018-02-04 20:25:41,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:25:41,796 INFO L432 AbstractCegarLoop]: Abstraction has 182 states and 193 transitions. [2018-02-04 20:25:41,796 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 20:25:41,796 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 193 transitions. [2018-02-04 20:25:41,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-02-04 20:25:41,796 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:25:41,796 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:25:41,805 INFO L371 AbstractCegarLoop]: === Iteration 5 === [__list_addErr1RequiresViolation, __list_addErr3RequiresViolation, __list_addErr0RequiresViolation, __list_addErr2RequiresViolation, __list_addErr4RequiresViolation, __list_addErr7RequiresViolation, __list_addErr5RequiresViolation, __list_addErr6RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, val_from_nodeErr0RequiresViolation, val_from_nodeErr1RequiresViolation, list_moveErr0RequiresViolation, list_moveErr3RequiresViolation, list_moveErr2RequiresViolation, list_moveErr1RequiresViolation, gl_sortErr16RequiresViolation, gl_sortErr4RequiresViolation, gl_sortErr12RequiresViolation, gl_sortErr5RequiresViolation, gl_sortErr0RequiresViolation, gl_sortErr11RequiresViolation, gl_sortErr9RequiresViolation, gl_sortErr2RequiresViolation, gl_sortErr18RequiresViolation, gl_sortErr7RequiresViolation, gl_sortErr13RequiresViolation, gl_sortErr14RequiresViolation, gl_sortErr19RequiresViolation, gl_sortErr6RequiresViolation, gl_sortErr1RequiresViolation, gl_sortErr17RequiresViolation, gl_sortErr15RequiresViolation, gl_sortErr10RequiresViolation, gl_sortErr8RequiresViolation, gl_sortErr3RequiresViolation, list_addErr1RequiresViolation, list_addErr0RequiresViolation, list_emptyErr0RequiresViolation, list_emptyErr1RequiresViolation, __list_delErr0RequiresViolation, __list_delErr2RequiresViolation, __list_delErr3RequiresViolation, __list_delErr1RequiresViolation, mainErr0EnsuresViolation, gl_insertErr0RequiresViolation, gl_insertErr1RequiresViolation, gl_seek_maxErr0RequiresViolation, gl_seek_maxErr2RequiresViolation, gl_seek_maxErr1RequiresViolation, gl_seek_maxErr5RequiresViolation, gl_seek_maxErr3RequiresViolation, gl_seek_maxErr4RequiresViolation, gl_destroyErr4RequiresViolation, gl_destroyErr2RequiresViolation, gl_destroyErr0RequiresViolation, gl_destroyErr1RequiresViolation, gl_destroyErr6RequiresViolation, gl_destroyErr7RequiresViolation, gl_destroyErr3RequiresViolation, gl_destroyErr5RequiresViolation]=== [2018-02-04 20:25:41,806 INFO L82 PathProgramCache]: Analyzing trace with hash 1609065267, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) [2018-02-04 20:25:41,810 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 20:25:41,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:25:41,824 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 20:25:41,826 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:25:41,826 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:25:41,826 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:25:41,827 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:25:41,869 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 12) (store |c_#length| %1 12)) :qid itp)) :qid itp)) is different from true [2018-02-04 20:25:41,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:25:41,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:25:41,965 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:25:41,965 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 20:25:41,965 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:25:41,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:25:41,965 INFO L182 omatonBuilderFactory]: Interpolants [1713#true, 1714#false, 1721#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 12) (store |#length| %1 12)) :qid itp)) :qid itp)), 1722#(and (= 0 |gl_insert_#t~malloc10.offset|) (= 12 (select |#length| |gl_insert_#t~malloc10.base|))), 1723#(and (<= 0 gl_insert_~node~0.offset) (<= (+ gl_insert_~node~0.offset 4) (select |#length| gl_insert_~node~0.base))), 1724#(and (= |~#gl_list.offset| |old(~#gl_list.offset)|) (= |~#gl_list.base| |old(~#gl_list.base)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))] [2018-02-04 20:25:41,965 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 20:25:41,965 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 20:25:41,965 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 20:25:41,966 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-02-04 20:25:41,966 INFO L87 Difference]: Start difference. First operand 182 states and 193 transitions. Second operand 6 states. [2018-02-04 20:25:41,981 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_~#gl_list.offset| |c_old(~#gl_list.offset)|) (= |c_~#gl_list.base| |c_old(~#gl_list.base)|) (= |c_#valid| |c_old(#valid)|) (= |c_#NULL.base| |c_old(#NULL.base)|) (= |c_#memory_int| |c_old(#memory_int)|) (= |c_#NULL.offset| |c_old(#NULL.offset)|) (= |c_#memory_$Pointer$.base| |c_old(#memory_$Pointer$.base)|) (= |c_old(#length)| |c_#length|) (= |c_#memory_$Pointer$.offset| |c_old(#memory_$Pointer$.offset)|) (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 12) (store |c_#length| %1 12)) :qid itp)) :qid itp))) is different from false [2018-02-04 20:25:42,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:25:42,250 INFO L93 Difference]: Finished difference Result 196 states and 210 transitions. [2018-02-04 20:25:42,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 20:25:42,251 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2018-02-04 20:25:42,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:25:42,252 INFO L225 Difference]: With dead ends: 196 [2018-02-04 20:25:42,252 INFO L226 Difference]: Without dead ends: 196 [2018-02-04 20:25:42,252 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=21, Unknown=2, NotChecked=18, Total=56 [2018-02-04 20:25:42,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2018-02-04 20:25:42,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 181. [2018-02-04 20:25:42,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2018-02-04 20:25:42,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 192 transitions. [2018-02-04 20:25:42,257 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 192 transitions. Word has length 16 [2018-02-04 20:25:42,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:25:42,258 INFO L432 AbstractCegarLoop]: Abstraction has 181 states and 192 transitions. [2018-02-04 20:25:42,258 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 20:25:42,258 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 192 transitions. [2018-02-04 20:25:42,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-02-04 20:25:42,258 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:25:42,259 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:25:42,259 INFO L371 AbstractCegarLoop]: === Iteration 6 === [__list_addErr1RequiresViolation, __list_addErr3RequiresViolation, __list_addErr0RequiresViolation, __list_addErr2RequiresViolation, __list_addErr4RequiresViolation, __list_addErr7RequiresViolation, __list_addErr5RequiresViolation, __list_addErr6RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, val_from_nodeErr0RequiresViolation, val_from_nodeErr1RequiresViolation, list_moveErr0RequiresViolation, list_moveErr3RequiresViolation, list_moveErr2RequiresViolation, list_moveErr1RequiresViolation, gl_sortErr16RequiresViolation, gl_sortErr4RequiresViolation, gl_sortErr12RequiresViolation, gl_sortErr5RequiresViolation, gl_sortErr0RequiresViolation, gl_sortErr11RequiresViolation, gl_sortErr9RequiresViolation, gl_sortErr2RequiresViolation, gl_sortErr18RequiresViolation, gl_sortErr7RequiresViolation, gl_sortErr13RequiresViolation, gl_sortErr14RequiresViolation, gl_sortErr19RequiresViolation, gl_sortErr6RequiresViolation, gl_sortErr1RequiresViolation, gl_sortErr17RequiresViolation, gl_sortErr15RequiresViolation, gl_sortErr10RequiresViolation, gl_sortErr8RequiresViolation, gl_sortErr3RequiresViolation, list_addErr1RequiresViolation, list_addErr0RequiresViolation, list_emptyErr0RequiresViolation, list_emptyErr1RequiresViolation, __list_delErr0RequiresViolation, __list_delErr2RequiresViolation, __list_delErr3RequiresViolation, __list_delErr1RequiresViolation, mainErr0EnsuresViolation, gl_insertErr0RequiresViolation, gl_insertErr1RequiresViolation, gl_seek_maxErr0RequiresViolation, gl_seek_maxErr2RequiresViolation, gl_seek_maxErr1RequiresViolation, gl_seek_maxErr5RequiresViolation, gl_seek_maxErr3RequiresViolation, gl_seek_maxErr4RequiresViolation, gl_destroyErr4RequiresViolation, gl_destroyErr2RequiresViolation, gl_destroyErr0RequiresViolation, gl_destroyErr1RequiresViolation, gl_destroyErr6RequiresViolation, gl_destroyErr7RequiresViolation, gl_destroyErr3RequiresViolation, gl_destroyErr5RequiresViolation]=== [2018-02-04 20:25:42,259 INFO L82 PathProgramCache]: Analyzing trace with hash -466429743, 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 20:25:42,262 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:25:42,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:25:42,276 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 20:25:42,287 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:25:42,287 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:25:42,288 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:25:42,288 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:25:42,360 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2018-02-04 20:25:42,360 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:25:42,362 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2018-02-04 20:25:42,362 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:25:42,363 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 29 [2018-02-04 20:25:42,364 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 20:25:42,420 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 23 [2018-02-04 20:25:42,421 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:25:42,428 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:25:42,428 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:121, output treesize:15 [2018-02-04 20:25:42,433 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:25:42,433 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:25:42,433 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:25:42,434 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:25:42,520 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2018-02-04 20:25:42,520 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:25:42,523 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 32 [2018-02-04 20:25:42,524 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:25:42,526 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 37 [2018-02-04 20:25:42,527 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 20:25:42,532 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2018-02-04 20:25:42,532 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:25:42,535 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2018-02-04 20:25:42,535 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-04 20:25:42,536 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2018-02-04 20:25:42,537 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-04 20:25:42,568 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2018-02-04 20:25:42,568 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-02-04 20:25:42,578 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:25:42,578 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 3 variables, input treesize:121, output treesize:15 [2018-02-04 20:25:42,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:25:42,604 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 20:25:42,634 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:25:42,635 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 20:25:42,635 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:25:42,635 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 20:25:42,636 INFO L182 omatonBuilderFactory]: Interpolants [2114#(= 1 (select |#valid| |~#gl_list.base|)), 2115#(= 1 (select |#valid| |list_add_#in~head.base|)), 2116#(= 1 (select |#valid| list_add_~head.base)), 2117#(and (= |~#gl_list.offset| |old(~#gl_list.offset)|) (= |~#gl_list.base| |old(~#gl_list.base)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 2106#true, 2107#false] [2018-02-04 20:25:42,636 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 20:25:42,636 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 20:25:42,636 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 20:25:42,636 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-04 20:25:42,637 INFO L87 Difference]: Start difference. First operand 181 states and 192 transitions. Second operand 6 states. [2018-02-04 20:25:43,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:25:43,039 INFO L93 Difference]: Finished difference Result 204 states and 217 transitions. [2018-02-04 20:25:43,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-02-04 20:25:43,039 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2018-02-04 20:25:43,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:25:43,040 INFO L225 Difference]: With dead ends: 204 [2018-02-04 20:25:43,040 INFO L226 Difference]: Without dead ends: 204 [2018-02-04 20:25:43,040 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2018-02-04 20:25:43,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2018-02-04 20:25:43,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 187. [2018-02-04 20:25:43,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2018-02-04 20:25:43,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 199 transitions. [2018-02-04 20:25:43,045 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 199 transitions. Word has length 19 [2018-02-04 20:25:43,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:25:43,045 INFO L432 AbstractCegarLoop]: Abstraction has 187 states and 199 transitions. [2018-02-04 20:25:43,045 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 20:25:43,045 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 199 transitions. [2018-02-04 20:25:43,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-02-04 20:25:43,046 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:25:43,046 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:25:43,046 INFO L371 AbstractCegarLoop]: === Iteration 7 === [__list_addErr1RequiresViolation, __list_addErr3RequiresViolation, __list_addErr0RequiresViolation, __list_addErr2RequiresViolation, __list_addErr4RequiresViolation, __list_addErr7RequiresViolation, __list_addErr5RequiresViolation, __list_addErr6RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, val_from_nodeErr0RequiresViolation, val_from_nodeErr1RequiresViolation, list_moveErr0RequiresViolation, list_moveErr3RequiresViolation, list_moveErr2RequiresViolation, list_moveErr1RequiresViolation, gl_sortErr16RequiresViolation, gl_sortErr4RequiresViolation, gl_sortErr12RequiresViolation, gl_sortErr5RequiresViolation, gl_sortErr0RequiresViolation, gl_sortErr11RequiresViolation, gl_sortErr9RequiresViolation, gl_sortErr2RequiresViolation, gl_sortErr18RequiresViolation, gl_sortErr7RequiresViolation, gl_sortErr13RequiresViolation, gl_sortErr14RequiresViolation, gl_sortErr19RequiresViolation, gl_sortErr6RequiresViolation, gl_sortErr1RequiresViolation, gl_sortErr17RequiresViolation, gl_sortErr15RequiresViolation, gl_sortErr10RequiresViolation, gl_sortErr8RequiresViolation, gl_sortErr3RequiresViolation, list_addErr1RequiresViolation, list_addErr0RequiresViolation, list_emptyErr0RequiresViolation, list_emptyErr1RequiresViolation, __list_delErr0RequiresViolation, __list_delErr2RequiresViolation, __list_delErr3RequiresViolation, __list_delErr1RequiresViolation, mainErr0EnsuresViolation, gl_insertErr0RequiresViolation, gl_insertErr1RequiresViolation, gl_seek_maxErr0RequiresViolation, gl_seek_maxErr2RequiresViolation, gl_seek_maxErr1RequiresViolation, gl_seek_maxErr5RequiresViolation, gl_seek_maxErr3RequiresViolation, gl_seek_maxErr4RequiresViolation, gl_destroyErr4RequiresViolation, gl_destroyErr2RequiresViolation, gl_destroyErr0RequiresViolation, gl_destroyErr1RequiresViolation, gl_destroyErr6RequiresViolation, gl_destroyErr7RequiresViolation, gl_destroyErr3RequiresViolation, gl_destroyErr5RequiresViolation]=== [2018-02-04 20:25:43,046 INFO L82 PathProgramCache]: Analyzing trace with hash -466429742, 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 20:25:43,052 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:25:43,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:25:43,079 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 20:25:43,079 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 152 column 516: Sort mismatch at argument #1 for function (declare-fun >= (Int Int) Bool) supplied sort is Bool 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 20:25:43,082 INFO L168 Benchmark]: Toolchain (without parser) took 3332.24 ms. Allocated memory was 408.9 MB in the beginning and 671.1 MB in the end (delta: 262.1 MB). Free memory was 365.8 MB in the beginning and 542.6 MB in the end (delta: -176.8 MB). Peak memory consumption was 85.4 MB. Max. memory is 5.3 GB. [2018-02-04 20:25:43,082 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 408.9 MB. Free memory is still 372.4 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 20:25:43,083 INFO L168 Benchmark]: CACSL2BoogieTranslator took 177.98 ms. Allocated memory is still 408.9 MB. Free memory was 365.8 MB in the beginning and 353.8 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 5.3 GB. [2018-02-04 20:25:43,083 INFO L168 Benchmark]: Boogie Preprocessor took 30.45 ms. Allocated memory is still 408.9 MB. Free memory was 353.8 MB in the beginning and 352.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. [2018-02-04 20:25:43,083 INFO L168 Benchmark]: RCFGBuilder took 435.65 ms. Allocated memory is still 408.9 MB. Free memory was 352.4 MB in the beginning and 306.5 MB in the end (delta: 46.0 MB). Peak memory consumption was 46.0 MB. Max. memory is 5.3 GB. [2018-02-04 20:25:43,083 INFO L168 Benchmark]: TraceAbstraction took 2684.43 ms. Allocated memory was 408.9 MB in the beginning and 671.1 MB in the end (delta: 262.1 MB). Free memory was 305.1 MB in the beginning and 542.6 MB in the end (delta: -237.5 MB). Peak memory consumption was 24.7 MB. Max. memory is 5.3 GB. [2018-02-04 20:25:43,085 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 408.9 MB. Free memory is still 372.4 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 177.98 ms. Allocated memory is still 408.9 MB. Free memory was 365.8 MB in the beginning and 353.8 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 30.45 ms. Allocated memory is still 408.9 MB. Free memory was 353.8 MB in the beginning and 352.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 435.65 ms. Allocated memory is still 408.9 MB. Free memory was 352.4 MB in the beginning and 306.5 MB in the end (delta: 46.0 MB). Peak memory consumption was 46.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 2684.43 ms. Allocated memory was 408.9 MB in the beginning and 671.1 MB in the end (delta: 262.1 MB). Free memory was 305.1 MB in the beginning and 542.6 MB in the end (delta: -237.5 MB). Peak memory consumption was 24.7 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 152 column 516: Sort mismatch at argument #1 for function (declare-fun >= (Int Int) Bool) supplied sort is Bool de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 152 column 516: Sort mismatch at argument #1 for function (declare-fun >= (Int Int) Bool) supplied sort is Bool: 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-0137_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_20-25-43-091.csv Received shutdown request...