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/heap-manipulation/bubble_sort_linux_true-unreach-call_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c17473d-m [2018-02-04 20:52:50,592 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 20:52:50,593 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 20:52:50,606 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 20:52:50,606 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 20:52:50,607 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 20:52:50,607 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 20:52:50,609 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 20:52:50,611 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 20:52:50,611 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 20:52:50,612 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 20:52:50,612 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 20:52:50,613 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 20:52:50,614 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 20:52:50,615 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 20:52:50,617 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 20:52:50,618 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 20:52:50,620 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 20:52:50,621 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 20:52:50,622 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 20:52:50,624 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-04 20:52:50,624 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-04 20:52:50,624 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-04 20:52:50,625 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-04 20:52:50,626 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-04 20:52:50,627 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-04 20:52:50,627 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-04 20:52:50,627 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-04 20:52:50,627 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-04 20:52:50,627 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-04 20:52:50,628 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-04 20:52:50,628 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 20:52:50,637 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 20:52:50,638 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 20:52:50,639 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 20:52:50,639 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 20:52:50,639 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 20:52:50,639 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 20:52:50,639 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 20:52:50,639 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 20:52:50,639 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 20:52:50,639 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 20:52:50,640 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 20:52:50,640 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 20:52:50,640 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 20:52:50,640 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 20:52:50,640 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 20:52:50,640 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 20:52:50,640 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 20:52:50,640 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 20:52:50,640 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 20:52:50,640 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 20:52:50,641 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 20:52:50,641 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-02-04 20:52:50,641 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-02-04 20:52:50,641 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 20:52:50,670 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 20:52:50,680 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 20:52:50,682 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 20:52:50,683 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 20:52:50,684 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 20:52:50,684 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-manipulation/bubble_sort_linux_true-unreach-call_true-valid-memsafety.i [2018-02-04 20:52:50,832 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 20:52:50,833 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 20:52:50,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 20:52:50,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 20:52:50,838 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 20:52:50,838 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 08:52:50" (1/1) ... [2018-02-04 20:52:50,841 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@699ac6dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:52:50, skipping insertion in model container [2018-02-04 20:52:50,841 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 08:52:50" (1/1) ... [2018-02-04 20:52:50,850 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 20:52:50,885 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 20:52:50,991 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 20:52:51,015 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 20:52:51,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:52:51 WrapperNode [2018-02-04 20:52:51,025 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 20:52:51,025 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 20:52:51,025 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 20:52:51,025 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 20:52:51,033 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:52:51" (1/1) ... [2018-02-04 20:52:51,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:52:51" (1/1) ... [2018-02-04 20:52:51,042 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:52:51" (1/1) ... [2018-02-04 20:52:51,042 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:52:51" (1/1) ... [2018-02-04 20:52:51,049 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:52:51" (1/1) ... [2018-02-04 20:52:51,054 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:52:51" (1/1) ... [2018-02-04 20:52:51,056 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:52:51" (1/1) ... [2018-02-04 20:52:51,059 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 20:52:51,059 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 20:52:51,060 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 20:52:51,060 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 20:52:51,061 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:52:51" (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 20:52:51,098 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 20:52:51,098 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 20:52:51,098 INFO L136 BoogieDeclarations]: Found implementation of procedure fail [2018-02-04 20:52:51,098 INFO L136 BoogieDeclarations]: Found implementation of procedure inspect [2018-02-04 20:52:51,098 INFO L136 BoogieDeclarations]: Found implementation of procedure __list_add [2018-02-04 20:52:51,098 INFO L136 BoogieDeclarations]: Found implementation of procedure __list_del [2018-02-04 20:52:51,098 INFO L136 BoogieDeclarations]: Found implementation of procedure list_add [2018-02-04 20:52:51,098 INFO L136 BoogieDeclarations]: Found implementation of procedure list_move [2018-02-04 20:52:51,098 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_insert [2018-02-04 20:52:51,099 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_read [2018-02-04 20:52:51,099 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_destroy [2018-02-04 20:52:51,099 INFO L136 BoogieDeclarations]: Found implementation of procedure val_from_node [2018-02-04 20:52:51,099 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_sort_pass [2018-02-04 20:52:51,099 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_sort [2018-02-04 20:52:51,099 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 20:52:51,099 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-04 20:52:51,099 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-04 20:52:51,099 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-04 20:52:51,099 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-04 20:52:51,099 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 20:52:51,099 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 20:52:51,099 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 20:52:51,099 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-02-04 20:52:51,099 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-04 20:52:51,100 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-02-04 20:52:51,100 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-04 20:52:51,100 INFO L128 BoogieDeclarations]: Found specification of procedure fail [2018-02-04 20:52:51,100 INFO L128 BoogieDeclarations]: Found specification of procedure inspect [2018-02-04 20:52:51,100 INFO L128 BoogieDeclarations]: Found specification of procedure __list_add [2018-02-04 20:52:51,100 INFO L128 BoogieDeclarations]: Found specification of procedure __list_del [2018-02-04 20:52:51,100 INFO L128 BoogieDeclarations]: Found specification of procedure list_add [2018-02-04 20:52:51,100 INFO L128 BoogieDeclarations]: Found specification of procedure list_move [2018-02-04 20:52:51,100 INFO L128 BoogieDeclarations]: Found specification of procedure gl_insert [2018-02-04 20:52:51,100 INFO L128 BoogieDeclarations]: Found specification of procedure gl_read [2018-02-04 20:52:51,100 INFO L128 BoogieDeclarations]: Found specification of procedure gl_destroy [2018-02-04 20:52:51,100 INFO L128 BoogieDeclarations]: Found specification of procedure val_from_node [2018-02-04 20:52:51,100 INFO L128 BoogieDeclarations]: Found specification of procedure gl_sort_pass [2018-02-04 20:52:51,100 INFO L128 BoogieDeclarations]: Found specification of procedure gl_sort [2018-02-04 20:52:51,101 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 20:52:51,101 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 20:52:51,101 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 20:52:51,572 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 20:52:51,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 08:52:51 BoogieIcfgContainer [2018-02-04 20:52:51,573 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 20:52:51,573 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 20:52:51,574 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 20:52:51,576 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 20:52:51,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 08:52:50" (1/3) ... [2018-02-04 20:52:51,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fd3f8e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 08:52:51, skipping insertion in model container [2018-02-04 20:52:51,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:52:51" (2/3) ... [2018-02-04 20:52:51,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fd3f8e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 08:52:51, skipping insertion in model container [2018-02-04 20:52:51,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 08:52:51" (3/3) ... [2018-02-04 20:52:51,578 INFO L107 eAbstractionObserver]: Analyzing ICFG bubble_sort_linux_true-unreach-call_true-valid-memsafety.i [2018-02-04 20:52:51,584 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-04 20:52:51,589 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 73 error locations. [2018-02-04 20:52:51,612 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 20:52:51,612 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 20:52:51,612 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-02-04 20:52:51,612 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-04 20:52:51,612 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 20:52:51,612 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 20:52:51,612 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 20:52:51,612 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 20:52:51,613 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 20:52:51,626 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states. [2018-02-04 20:52:51,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-02-04 20:52:51,632 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:52:51,632 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-02-04 20:52:51,632 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, list_moveErr0RequiresViolation, list_moveErr3RequiresViolation, list_moveErr2RequiresViolation, list_moveErr1RequiresViolation, val_from_nodeErr0RequiresViolation, val_from_nodeErr1RequiresViolation, gl_sort_passErr1RequiresViolation, gl_sort_passErr3RequiresViolation, gl_sort_passErr0RequiresViolation, gl_sort_passErr2RequiresViolation, inspectErr7RequiresViolation, inspectErr20RequiresViolation, inspectErr15RequiresViolation, inspectErr25RequiresViolation, inspectErr28RequiresViolation, inspectErr2RequiresViolation, inspectErr18RequiresViolation, inspectErr9RequiresViolation, inspectErr0RequiresViolation, inspectErr12RequiresViolation, inspectErr6RequiresViolation, inspectErr3RequiresViolation, inspectErr19RequiresViolation, inspectErr22RequiresViolation, inspectErr11RequiresViolation, inspectErr29RequiresViolation, inspectErr16RequiresViolation, inspectErr24RequiresViolation, inspectErr26RequiresViolation, inspectErr21RequiresViolation, inspectErr13RequiresViolation, inspectErr27RequiresViolation, inspectErr17RequiresViolation, inspectErr23RequiresViolation, inspectErr4RequiresViolation, inspectErr5RequiresViolation, inspectErr8RequiresViolation, inspectErr10RequiresViolation, inspectErr14RequiresViolation, inspectErr1RequiresViolation, list_addErr1RequiresViolation, list_addErr0RequiresViolation, mainErr0EnsuresViolation, __list_delErr0RequiresViolation, __list_delErr2RequiresViolation, __list_delErr3RequiresViolation, __list_delErr1RequiresViolation, gl_insertErr5RequiresViolation, gl_insertErr3RequiresViolation, gl_insertErr4RequiresViolation, gl_insertErr0RequiresViolation, gl_insertErr2RequiresViolation, gl_insertErr1RequiresViolation, gl_destroyErr4RequiresViolation, gl_destroyErr2RequiresViolation, gl_destroyErr0RequiresViolation, gl_destroyErr1RequiresViolation, gl_destroyErr6RequiresViolation, gl_destroyErr7RequiresViolation, gl_destroyErr3RequiresViolation, gl_destroyErr5RequiresViolation]=== [2018-02-04 20:52:51,635 INFO L82 PathProgramCache]: Analyzing trace with hash 19743518, 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 20:52:51,643 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:52:51,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:52:51,677 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 20:52:51,695 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:52:51,695 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-02-04 20:52:51,696 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:52:51,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:52:51,697 INFO L182 omatonBuilderFactory]: Interpolants [272#false, 273#(= 1 (select |#valid| |~#gl_list.base|)), 271#true] [2018-02-04 20:52:51,697 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 20:52:51,697 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-02-04 20:52:51,705 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-02-04 20:52:51,705 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-04 20:52:51,707 INFO L87 Difference]: Start difference. First operand 268 states. Second operand 3 states. [2018-02-04 20:52:51,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:52:51,900 INFO L93 Difference]: Finished difference Result 263 states and 285 transitions. [2018-02-04 20:52:51,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-02-04 20:52:51,901 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-02-04 20:52:51,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:52:51,909 INFO L225 Difference]: With dead ends: 263 [2018-02-04 20:52:51,909 INFO L226 Difference]: Without dead ends: 244 [2018-02-04 20:52:51,911 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 20:52:51,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2018-02-04 20:52:52,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 243. [2018-02-04 20:52:52,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2018-02-04 20:52:52,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 252 transitions. [2018-02-04 20:52:52,020 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 252 transitions. Word has length 4 [2018-02-04 20:52:52,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:52:52,021 INFO L432 AbstractCegarLoop]: Abstraction has 243 states and 252 transitions. [2018-02-04 20:52:52,021 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-02-04 20:52:52,021 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 252 transitions. [2018-02-04 20:52:52,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-02-04 20:52:52,021 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:52:52,022 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-02-04 20:52:52,022 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, list_moveErr0RequiresViolation, list_moveErr3RequiresViolation, list_moveErr2RequiresViolation, list_moveErr1RequiresViolation, val_from_nodeErr0RequiresViolation, val_from_nodeErr1RequiresViolation, gl_sort_passErr1RequiresViolation, gl_sort_passErr3RequiresViolation, gl_sort_passErr0RequiresViolation, gl_sort_passErr2RequiresViolation, inspectErr7RequiresViolation, inspectErr20RequiresViolation, inspectErr15RequiresViolation, inspectErr25RequiresViolation, inspectErr28RequiresViolation, inspectErr2RequiresViolation, inspectErr18RequiresViolation, inspectErr9RequiresViolation, inspectErr0RequiresViolation, inspectErr12RequiresViolation, inspectErr6RequiresViolation, inspectErr3RequiresViolation, inspectErr19RequiresViolation, inspectErr22RequiresViolation, inspectErr11RequiresViolation, inspectErr29RequiresViolation, inspectErr16RequiresViolation, inspectErr24RequiresViolation, inspectErr26RequiresViolation, inspectErr21RequiresViolation, inspectErr13RequiresViolation, inspectErr27RequiresViolation, inspectErr17RequiresViolation, inspectErr23RequiresViolation, inspectErr4RequiresViolation, inspectErr5RequiresViolation, inspectErr8RequiresViolation, inspectErr10RequiresViolation, inspectErr14RequiresViolation, inspectErr1RequiresViolation, list_addErr1RequiresViolation, list_addErr0RequiresViolation, mainErr0EnsuresViolation, __list_delErr0RequiresViolation, __list_delErr2RequiresViolation, __list_delErr3RequiresViolation, __list_delErr1RequiresViolation, gl_insertErr5RequiresViolation, gl_insertErr3RequiresViolation, gl_insertErr4RequiresViolation, gl_insertErr0RequiresViolation, gl_insertErr2RequiresViolation, gl_insertErr1RequiresViolation, gl_destroyErr4RequiresViolation, gl_destroyErr2RequiresViolation, gl_destroyErr0RequiresViolation, gl_destroyErr1RequiresViolation, gl_destroyErr6RequiresViolation, gl_destroyErr7RequiresViolation, gl_destroyErr3RequiresViolation, gl_destroyErr5RequiresViolation]=== [2018-02-04 20:52:52,022 INFO L82 PathProgramCache]: Analyzing trace with hash 19743519, 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 20:52:52,025 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:52:52,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:52:52,033 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 20:52:52,036 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:52:52,036 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:52:52,037 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:52:52,037 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:52:52,070 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 20:52:52,087 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 20:52:52,113 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:52:52,113 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-02-04 20:52:52,113 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:52:52,113 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 20:52:52,114 INFO L182 omatonBuilderFactory]: Interpolants [780#true, 781#false, 782#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 8) (store |#length| %1 8)) :qid itp)) :qid itp)), 783#(and (<= 0 |~#gl_list.offset|) (= 8 (select |#length| |~#gl_list.base|)) (<= (+ |~#gl_list.offset| 4) (select |#length| |~#gl_list.base|)))] [2018-02-04 20:52:52,114 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 20:52:52,115 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 20:52:52,115 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 20:52:52,115 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=4, Unknown=1, NotChecked=2, Total=12 [2018-02-04 20:52:52,116 INFO L87 Difference]: Start difference. First operand 243 states and 252 transitions. Second operand 4 states. [2018-02-04 20:52:52,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:52:52,255 INFO L93 Difference]: Finished difference Result 246 states and 256 transitions. [2018-02-04 20:52:52,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-04 20:52:52,256 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-02-04 20:52:52,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:52:52,258 INFO L225 Difference]: With dead ends: 246 [2018-02-04 20:52:52,258 INFO L226 Difference]: Without dead ends: 246 [2018-02-04 20:52:52,259 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 20:52:52,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2018-02-04 20:52:52,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 242. [2018-02-04 20:52:52,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2018-02-04 20:52:52,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 251 transitions. [2018-02-04 20:52:52,273 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 251 transitions. Word has length 4 [2018-02-04 20:52:52,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:52:52,273 INFO L432 AbstractCegarLoop]: Abstraction has 242 states and 251 transitions. [2018-02-04 20:52:52,273 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 20:52:52,273 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 251 transitions. [2018-02-04 20:52:52,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-02-04 20:52:52,274 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:52:52,274 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-02-04 20:52:52,274 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, list_moveErr0RequiresViolation, list_moveErr3RequiresViolation, list_moveErr2RequiresViolation, list_moveErr1RequiresViolation, val_from_nodeErr0RequiresViolation, val_from_nodeErr1RequiresViolation, gl_sort_passErr1RequiresViolation, gl_sort_passErr3RequiresViolation, gl_sort_passErr0RequiresViolation, gl_sort_passErr2RequiresViolation, inspectErr7RequiresViolation, inspectErr20RequiresViolation, inspectErr15RequiresViolation, inspectErr25RequiresViolation, inspectErr28RequiresViolation, inspectErr2RequiresViolation, inspectErr18RequiresViolation, inspectErr9RequiresViolation, inspectErr0RequiresViolation, inspectErr12RequiresViolation, inspectErr6RequiresViolation, inspectErr3RequiresViolation, inspectErr19RequiresViolation, inspectErr22RequiresViolation, inspectErr11RequiresViolation, inspectErr29RequiresViolation, inspectErr16RequiresViolation, inspectErr24RequiresViolation, inspectErr26RequiresViolation, inspectErr21RequiresViolation, inspectErr13RequiresViolation, inspectErr27RequiresViolation, inspectErr17RequiresViolation, inspectErr23RequiresViolation, inspectErr4RequiresViolation, inspectErr5RequiresViolation, inspectErr8RequiresViolation, inspectErr10RequiresViolation, inspectErr14RequiresViolation, inspectErr1RequiresViolation, list_addErr1RequiresViolation, list_addErr0RequiresViolation, mainErr0EnsuresViolation, __list_delErr0RequiresViolation, __list_delErr2RequiresViolation, __list_delErr3RequiresViolation, __list_delErr1RequiresViolation, gl_insertErr5RequiresViolation, gl_insertErr3RequiresViolation, gl_insertErr4RequiresViolation, gl_insertErr0RequiresViolation, gl_insertErr2RequiresViolation, gl_insertErr1RequiresViolation, gl_destroyErr4RequiresViolation, gl_destroyErr2RequiresViolation, gl_destroyErr0RequiresViolation, gl_destroyErr1RequiresViolation, gl_destroyErr6RequiresViolation, gl_destroyErr7RequiresViolation, gl_destroyErr3RequiresViolation, gl_destroyErr5RequiresViolation]=== [2018-02-04 20:52:52,274 INFO L82 PathProgramCache]: Analyzing trace with hash 612049176, 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 20:52:52,277 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:52:52,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:52:52,284 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 20:52:52,286 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:52:52,287 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:52:52,287 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:52:52,287 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:52:52,313 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 20:52:52,393 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 20:52:52,410 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:52:52,410 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-02-04 20:52:52,410 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:52:52,410 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 20:52:52,411 INFO L182 omatonBuilderFactory]: Interpolants [1272#true, 1273#false, 1274#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 8) (store |#length| %1 8)) :qid itp)) :qid itp)), 1275#(and (<= 0 (+ |~#gl_list.offset| 4)) (= 8 (select |#length| |~#gl_list.base|)) (<= (+ |~#gl_list.offset| 8) (select |#length| |~#gl_list.base|)))] [2018-02-04 20:52:52,411 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 20:52:52,411 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 20:52:52,411 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 20:52:52,411 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=4, Unknown=1, NotChecked=2, Total=12 [2018-02-04 20:52:52,412 INFO L87 Difference]: Start difference. First operand 242 states and 251 transitions. Second operand 4 states. [2018-02-04 20:52:52,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:52:52,493 INFO L93 Difference]: Finished difference Result 245 states and 255 transitions. [2018-02-04 20:52:52,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-04 20:52:52,493 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2018-02-04 20:52:52,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:52:52,495 INFO L225 Difference]: With dead ends: 245 [2018-02-04 20:52:52,495 INFO L226 Difference]: Without dead ends: 245 [2018-02-04 20:52:52,495 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 20:52:52,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2018-02-04 20:52:52,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 241. [2018-02-04 20:52:52,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2018-02-04 20:52:52,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 250 transitions. [2018-02-04 20:52:52,504 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 250 transitions. Word has length 5 [2018-02-04 20:52:52,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:52:52,505 INFO L432 AbstractCegarLoop]: Abstraction has 241 states and 250 transitions. [2018-02-04 20:52:52,505 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 20:52:52,505 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 250 transitions. [2018-02-04 20:52:52,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-02-04 20:52:52,505 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:52:52,506 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:52:52,506 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, list_moveErr0RequiresViolation, list_moveErr3RequiresViolation, list_moveErr2RequiresViolation, list_moveErr1RequiresViolation, val_from_nodeErr0RequiresViolation, val_from_nodeErr1RequiresViolation, gl_sort_passErr1RequiresViolation, gl_sort_passErr3RequiresViolation, gl_sort_passErr0RequiresViolation, gl_sort_passErr2RequiresViolation, inspectErr7RequiresViolation, inspectErr20RequiresViolation, inspectErr15RequiresViolation, inspectErr25RequiresViolation, inspectErr28RequiresViolation, inspectErr2RequiresViolation, inspectErr18RequiresViolation, inspectErr9RequiresViolation, inspectErr0RequiresViolation, inspectErr12RequiresViolation, inspectErr6RequiresViolation, inspectErr3RequiresViolation, inspectErr19RequiresViolation, inspectErr22RequiresViolation, inspectErr11RequiresViolation, inspectErr29RequiresViolation, inspectErr16RequiresViolation, inspectErr24RequiresViolation, inspectErr26RequiresViolation, inspectErr21RequiresViolation, inspectErr13RequiresViolation, inspectErr27RequiresViolation, inspectErr17RequiresViolation, inspectErr23RequiresViolation, inspectErr4RequiresViolation, inspectErr5RequiresViolation, inspectErr8RequiresViolation, inspectErr10RequiresViolation, inspectErr14RequiresViolation, inspectErr1RequiresViolation, list_addErr1RequiresViolation, list_addErr0RequiresViolation, mainErr0EnsuresViolation, __list_delErr0RequiresViolation, __list_delErr2RequiresViolation, __list_delErr3RequiresViolation, __list_delErr1RequiresViolation, gl_insertErr5RequiresViolation, gl_insertErr3RequiresViolation, gl_insertErr4RequiresViolation, gl_insertErr0RequiresViolation, gl_insertErr2RequiresViolation, gl_insertErr1RequiresViolation, gl_destroyErr4RequiresViolation, gl_destroyErr2RequiresViolation, gl_destroyErr0RequiresViolation, gl_destroyErr1RequiresViolation, gl_destroyErr6RequiresViolation, gl_destroyErr7RequiresViolation, gl_destroyErr3RequiresViolation, gl_destroyErr5RequiresViolation]=== [2018-02-04 20:52:52,506 INFO L82 PathProgramCache]: Analyzing trace with hash -935456334, 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 20:52:52,509 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:52:52,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:52:52,521 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 20:52:52,522 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:52:52,523 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:52:52,523 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:52:52,523 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:52:52,527 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |c_#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)) is different from true [2018-02-04 20:52:52,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:52:52,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:52:52,579 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:52:52,579 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 20:52:52,579 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:52:52,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:52:52,580 INFO L182 omatonBuilderFactory]: Interpolants [1762#true, 1763#false, 1770#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)), 1771#(= 1 (select |#valid| |gl_insert_#t~malloc24.base|)), 1772#(= 1 (select |#valid| gl_insert_~node~1.base)), 1773#(and (= |~#gl_list.offset| |old(~#gl_list.offset)|) (= |~#gl_list.base| |old(~#gl_list.base)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))] [2018-02-04 20:52:52,580 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 20:52:52,580 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 20:52:52,580 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 20:52:52,580 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-02-04 20:52:52,581 INFO L87 Difference]: Start difference. First operand 241 states and 250 transitions. Second operand 6 states. [2018-02-04 20:52:53,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:52:53,165 INFO L93 Difference]: Finished difference Result 270 states and 288 transitions. [2018-02-04 20:52:53,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 20:52:53,165 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2018-02-04 20:52:53,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:52:53,166 INFO L225 Difference]: With dead ends: 270 [2018-02-04 20:52:53,166 INFO L226 Difference]: Without dead ends: 270 [2018-02-04 20:52:53,167 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=27, Unknown=3, NotChecked=10, Total=56 [2018-02-04 20:52:53,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2018-02-04 20:52:53,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 238. [2018-02-04 20:52:53,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2018-02-04 20:52:53,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 247 transitions. [2018-02-04 20:52:53,172 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 247 transitions. Word has length 16 [2018-02-04 20:52:53,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:52:53,172 INFO L432 AbstractCegarLoop]: Abstraction has 238 states and 247 transitions. [2018-02-04 20:52:53,172 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 20:52:53,172 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 247 transitions. [2018-02-04 20:52:53,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-02-04 20:52:53,173 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:52:53,173 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:52:53,173 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, list_moveErr0RequiresViolation, list_moveErr3RequiresViolation, list_moveErr2RequiresViolation, list_moveErr1RequiresViolation, val_from_nodeErr0RequiresViolation, val_from_nodeErr1RequiresViolation, gl_sort_passErr1RequiresViolation, gl_sort_passErr3RequiresViolation, gl_sort_passErr0RequiresViolation, gl_sort_passErr2RequiresViolation, inspectErr7RequiresViolation, inspectErr20RequiresViolation, inspectErr15RequiresViolation, inspectErr25RequiresViolation, inspectErr28RequiresViolation, inspectErr2RequiresViolation, inspectErr18RequiresViolation, inspectErr9RequiresViolation, inspectErr0RequiresViolation, inspectErr12RequiresViolation, inspectErr6RequiresViolation, inspectErr3RequiresViolation, inspectErr19RequiresViolation, inspectErr22RequiresViolation, inspectErr11RequiresViolation, inspectErr29RequiresViolation, inspectErr16RequiresViolation, inspectErr24RequiresViolation, inspectErr26RequiresViolation, inspectErr21RequiresViolation, inspectErr13RequiresViolation, inspectErr27RequiresViolation, inspectErr17RequiresViolation, inspectErr23RequiresViolation, inspectErr4RequiresViolation, inspectErr5RequiresViolation, inspectErr8RequiresViolation, inspectErr10RequiresViolation, inspectErr14RequiresViolation, inspectErr1RequiresViolation, list_addErr1RequiresViolation, list_addErr0RequiresViolation, mainErr0EnsuresViolation, __list_delErr0RequiresViolation, __list_delErr2RequiresViolation, __list_delErr3RequiresViolation, __list_delErr1RequiresViolation, gl_insertErr5RequiresViolation, gl_insertErr3RequiresViolation, gl_insertErr4RequiresViolation, gl_insertErr0RequiresViolation, gl_insertErr2RequiresViolation, gl_insertErr1RequiresViolation, gl_destroyErr4RequiresViolation, gl_destroyErr2RequiresViolation, gl_destroyErr0RequiresViolation, gl_destroyErr1RequiresViolation, gl_destroyErr6RequiresViolation, gl_destroyErr7RequiresViolation, gl_destroyErr3RequiresViolation, gl_destroyErr5RequiresViolation]=== [2018-02-04 20:52:53,173 INFO L82 PathProgramCache]: Analyzing trace with hash -935456333, 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 20:52:53,175 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:52:53,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:52:53,188 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 20:52:53,190 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:52:53,190 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:52:53,190 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:52:53,190 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:52:53,197 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |c_#length| %1 20) (store %0 %1 20)) :qid itp)) :qid itp)) is different from true [2018-02-04 20:52:53,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:52:53,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:52:53,236 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:52:53,236 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 20:52:53,236 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:52:53,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:52:53,236 INFO L182 omatonBuilderFactory]: Interpolants [2294#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#length| %1 20) (store %0 %1 20)) :qid itp)) :qid itp)), 2295#(and (= 0 |gl_insert_#t~malloc24.offset|) (= 20 (select |#length| |gl_insert_#t~malloc24.base|))), 2296#(and (<= (+ gl_insert_~node~1.offset 4) (select |#length| gl_insert_~node~1.base)) (<= 0 gl_insert_~node~1.offset)), 2297#(and (= |~#gl_list.offset| |old(~#gl_list.offset)|) (= |~#gl_list.base| |old(~#gl_list.base)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 2286#true, 2287#false] [2018-02-04 20:52:53,237 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 20:52:53,237 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 20:52:53,237 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 20:52:53,237 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-02-04 20:52:53,237 INFO L87 Difference]: Start difference. First operand 238 states and 247 transitions. Second operand 6 states. [2018-02-04 20:52:53,251 WARN L1011 $PredicateComparison]: unable to prove that (and (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |c_#length| %1 20) (store %0 %1 20)) :qid itp)) :qid itp)) (= |c_~#gl_list.offset| |c_old(~#gl_list.offset)|) (= |c_~#gl_list.base| |c_old(~#gl_list.base)|) (= |c_#valid| |c_old(#valid)|) (= |c_#NULL.base| |c_old(#NULL.base)|) (= |c_#memory_int| |c_old(#memory_int)|) (= |c_#NULL.offset| |c_old(#NULL.offset)|) (= |c_#memory_$Pointer$.base| |c_old(#memory_$Pointer$.base)|) (= |c_old(#length)| |c_#length|) (= |c_#memory_$Pointer$.offset| |c_old(#memory_$Pointer$.offset)|)) is different from false [2018-02-04 20:52:53,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:52:53,609 INFO L93 Difference]: Finished difference Result 269 states and 287 transitions. [2018-02-04 20:52:53,609 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 20:52:53,609 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2018-02-04 20:52:53,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:52:53,610 INFO L225 Difference]: With dead ends: 269 [2018-02-04 20:52:53,611 INFO L226 Difference]: Without dead ends: 269 [2018-02-04 20:52:53,611 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=21, Unknown=2, NotChecked=18, Total=56 [2018-02-04 20:52:53,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2018-02-04 20:52:53,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 237. [2018-02-04 20:52:53,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2018-02-04 20:52:53,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 246 transitions. [2018-02-04 20:52:53,616 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 246 transitions. Word has length 16 [2018-02-04 20:52:53,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:52:53,616 INFO L432 AbstractCegarLoop]: Abstraction has 237 states and 246 transitions. [2018-02-04 20:52:53,616 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 20:52:53,616 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 246 transitions. [2018-02-04 20:52:53,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-02-04 20:52:53,617 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:52:53,617 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 20:52:53,619 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, list_moveErr0RequiresViolation, list_moveErr3RequiresViolation, list_moveErr2RequiresViolation, list_moveErr1RequiresViolation, val_from_nodeErr0RequiresViolation, val_from_nodeErr1RequiresViolation, gl_sort_passErr1RequiresViolation, gl_sort_passErr3RequiresViolation, gl_sort_passErr0RequiresViolation, gl_sort_passErr2RequiresViolation, inspectErr7RequiresViolation, inspectErr20RequiresViolation, inspectErr15RequiresViolation, inspectErr25RequiresViolation, inspectErr28RequiresViolation, inspectErr2RequiresViolation, inspectErr18RequiresViolation, inspectErr9RequiresViolation, inspectErr0RequiresViolation, inspectErr12RequiresViolation, inspectErr6RequiresViolation, inspectErr3RequiresViolation, inspectErr19RequiresViolation, inspectErr22RequiresViolation, inspectErr11RequiresViolation, inspectErr29RequiresViolation, inspectErr16RequiresViolation, inspectErr24RequiresViolation, inspectErr26RequiresViolation, inspectErr21RequiresViolation, inspectErr13RequiresViolation, inspectErr27RequiresViolation, inspectErr17RequiresViolation, inspectErr23RequiresViolation, inspectErr4RequiresViolation, inspectErr5RequiresViolation, inspectErr8RequiresViolation, inspectErr10RequiresViolation, inspectErr14RequiresViolation, inspectErr1RequiresViolation, list_addErr1RequiresViolation, list_addErr0RequiresViolation, mainErr0EnsuresViolation, __list_delErr0RequiresViolation, __list_delErr2RequiresViolation, __list_delErr3RequiresViolation, __list_delErr1RequiresViolation, gl_insertErr5RequiresViolation, gl_insertErr3RequiresViolation, gl_insertErr4RequiresViolation, gl_insertErr0RequiresViolation, gl_insertErr2RequiresViolation, gl_insertErr1RequiresViolation, gl_destroyErr4RequiresViolation, gl_destroyErr2RequiresViolation, gl_destroyErr0RequiresViolation, gl_destroyErr1RequiresViolation, gl_destroyErr6RequiresViolation, gl_destroyErr7RequiresViolation, gl_destroyErr3RequiresViolation, gl_destroyErr5RequiresViolation]=== [2018-02-04 20:52:53,619 INFO L82 PathProgramCache]: Analyzing trace with hash 1863730920, 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 20:52:53,628 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:52:53,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:52:53,673 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 20:52:53,681 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:52:53,681 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:52:53,682 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:52:53,682 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:52:53,758 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 20:52:53,758 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:52:53,759 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 20:52:53,760 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:52:53,761 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 20:52:53,761 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 20:52:53,793 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 20:52:53,794 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:52:53,798 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:52:53,799 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:121, output treesize:15 [2018-02-04 20:52:53,803 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:52:53,803 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:52:53,804 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:52:53,804 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:52:53,904 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 20:52:53,905 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:52:53,908 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 20:52:53,908 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:52:53,910 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 20:52:53,910 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 20:52:53,912 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 20:52:53,912 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:52:53,913 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 20:52:53,913 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-04 20:52:53,915 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 20:52:53,915 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-04 20:52:53,942 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 20:52:53,942 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-02-04 20:52:53,950 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:52:53,950 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 3 variables, input treesize:121, output treesize:15 [2018-02-04 20:52:53,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:52:53,982 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 20:52:54,006 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:52:54,006 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 20:52:54,006 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:52:54,006 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 20:52:54,007 INFO L182 omatonBuilderFactory]: Interpolants [2816#(= 1 (select |#valid| |~#gl_list.base|)), 2817#(= 1 (select |#valid| |list_add_#in~head.base|)), 2818#(= 1 (select |#valid| list_add_~head.base)), 2819#(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)|)), 2808#true, 2809#false] [2018-02-04 20:52:54,007 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 20:52:54,007 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 20:52:54,007 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 20:52:54,007 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-04 20:52:54,007 INFO L87 Difference]: Start difference. First operand 237 states and 246 transitions. Second operand 6 states. [2018-02-04 20:52:54,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:52:54,471 INFO L93 Difference]: Finished difference Result 276 states and 294 transitions. [2018-02-04 20:52:54,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-02-04 20:52:54,471 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2018-02-04 20:52:54,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:52:54,473 INFO L225 Difference]: With dead ends: 276 [2018-02-04 20:52:54,473 INFO L226 Difference]: Without dead ends: 276 [2018-02-04 20:52:54,474 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2018-02-04 20:52:54,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2018-02-04 20:52:54,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 243. [2018-02-04 20:52:54,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2018-02-04 20:52:54,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 253 transitions. [2018-02-04 20:52:54,480 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 253 transitions. Word has length 19 [2018-02-04 20:52:54,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:52:54,481 INFO L432 AbstractCegarLoop]: Abstraction has 243 states and 253 transitions. [2018-02-04 20:52:54,481 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 20:52:54,481 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 253 transitions. [2018-02-04 20:52:54,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-02-04 20:52:54,481 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:52:54,481 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 20:52:54,482 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, list_moveErr0RequiresViolation, list_moveErr3RequiresViolation, list_moveErr2RequiresViolation, list_moveErr1RequiresViolation, val_from_nodeErr0RequiresViolation, val_from_nodeErr1RequiresViolation, gl_sort_passErr1RequiresViolation, gl_sort_passErr3RequiresViolation, gl_sort_passErr0RequiresViolation, gl_sort_passErr2RequiresViolation, inspectErr7RequiresViolation, inspectErr20RequiresViolation, inspectErr15RequiresViolation, inspectErr25RequiresViolation, inspectErr28RequiresViolation, inspectErr2RequiresViolation, inspectErr18RequiresViolation, inspectErr9RequiresViolation, inspectErr0RequiresViolation, inspectErr12RequiresViolation, inspectErr6RequiresViolation, inspectErr3RequiresViolation, inspectErr19RequiresViolation, inspectErr22RequiresViolation, inspectErr11RequiresViolation, inspectErr29RequiresViolation, inspectErr16RequiresViolation, inspectErr24RequiresViolation, inspectErr26RequiresViolation, inspectErr21RequiresViolation, inspectErr13RequiresViolation, inspectErr27RequiresViolation, inspectErr17RequiresViolation, inspectErr23RequiresViolation, inspectErr4RequiresViolation, inspectErr5RequiresViolation, inspectErr8RequiresViolation, inspectErr10RequiresViolation, inspectErr14RequiresViolation, inspectErr1RequiresViolation, list_addErr1RequiresViolation, list_addErr0RequiresViolation, mainErr0EnsuresViolation, __list_delErr0RequiresViolation, __list_delErr2RequiresViolation, __list_delErr3RequiresViolation, __list_delErr1RequiresViolation, gl_insertErr5RequiresViolation, gl_insertErr3RequiresViolation, gl_insertErr4RequiresViolation, gl_insertErr0RequiresViolation, gl_insertErr2RequiresViolation, gl_insertErr1RequiresViolation, gl_destroyErr4RequiresViolation, gl_destroyErr2RequiresViolation, gl_destroyErr0RequiresViolation, gl_destroyErr1RequiresViolation, gl_destroyErr6RequiresViolation, gl_destroyErr7RequiresViolation, gl_destroyErr3RequiresViolation, gl_destroyErr5RequiresViolation]=== [2018-02-04 20:52:54,482 INFO L82 PathProgramCache]: Analyzing trace with hash 1863730921, 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 20:52:54,485 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:52:54,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:52:54,513 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 20:52:54,514 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 20:52:54,517 INFO L168 Benchmark]: Toolchain (without parser) took 3684.60 ms. Allocated memory was 404.8 MB in the beginning and 609.7 MB in the end (delta: 205.0 MB). Free memory was 361.4 MB in the beginning and 538.3 MB in the end (delta: -176.9 MB). Peak memory consumption was 28.1 MB. Max. memory is 5.3 GB. [2018-02-04 20:52:54,518 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 404.8 MB. Free memory is still 368.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 20:52:54,518 INFO L168 Benchmark]: CACSL2BoogieTranslator took 191.41 ms. Allocated memory is still 404.8 MB. Free memory was 361.4 MB in the beginning and 348.0 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 5.3 GB. [2018-02-04 20:52:54,519 INFO L168 Benchmark]: Boogie Preprocessor took 33.99 ms. Allocated memory is still 404.8 MB. Free memory was 348.0 MB in the beginning and 345.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-02-04 20:52:54,519 INFO L168 Benchmark]: RCFGBuilder took 513.46 ms. Allocated memory is still 404.8 MB. Free memory was 345.4 MB in the beginning and 284.3 MB in the end (delta: 61.1 MB). Peak memory consumption was 61.1 MB. Max. memory is 5.3 GB. [2018-02-04 20:52:54,520 INFO L168 Benchmark]: TraceAbstraction took 2942.91 ms. Allocated memory was 404.8 MB in the beginning and 609.7 MB in the end (delta: 205.0 MB). Free memory was 283.0 MB in the beginning and 539.0 MB in the end (delta: -256.0 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 20:52:54,521 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 404.8 MB. Free memory is still 368.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 191.41 ms. Allocated memory is still 404.8 MB. Free memory was 361.4 MB in the beginning and 348.0 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 33.99 ms. Allocated memory is still 404.8 MB. Free memory was 348.0 MB in the beginning and 345.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 513.46 ms. Allocated memory is still 404.8 MB. Free memory was 345.4 MB in the beginning and 284.3 MB in the end (delta: 61.1 MB). Peak memory consumption was 61.1 MB. Max. memory is 5.3 GB. * TraceAbstraction took 2942.91 ms. Allocated memory was 404.8 MB in the beginning and 609.7 MB in the end (delta: 205.0 MB). Free memory was 283.0 MB in the beginning and 539.0 MB in the end (delta: -256.0 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 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/bubble_sort_linux_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_20-52-54-531.csv Received shutdown request...