java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cav18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf -i ../../../trunk/examples/svcomp/memsafety/test-0237_true-valid-memsafety.i


--------------------------------------------------------------------------------


This is Ultimate 0.1.23-26d9e06-m
[2018-02-02 10:57:44,606 INFO  L170        SettingsManager]: Resetting all preferences to default values...
[2018-02-02 10:57:44,607 INFO  L174        SettingsManager]: Resetting UltimateCore preferences to default values
[2018-02-02 10:57:44,619 INFO  L177        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2018-02-02 10:57:44,619 INFO  L174        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2018-02-02 10:57:44,620 INFO  L174        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2018-02-02 10:57:44,621 INFO  L174        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2018-02-02 10:57:44,622 INFO  L174        SettingsManager]: Resetting LassoRanker preferences to default values
[2018-02-02 10:57:44,624 INFO  L174        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2018-02-02 10:57:44,624 INFO  L174        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2018-02-02 10:57:44,625 INFO  L177        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2018-02-02 10:57:44,625 INFO  L174        SettingsManager]: Resetting LTL2Aut preferences to default values
[2018-02-02 10:57:44,626 INFO  L174        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2018-02-02 10:57:44,627 INFO  L174        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2018-02-02 10:57:44,628 INFO  L174        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2018-02-02 10:57:44,629 INFO  L174        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2018-02-02 10:57:44,631 INFO  L174        SettingsManager]: Resetting CodeCheck preferences to default values
[2018-02-02 10:57:44,633 INFO  L174        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2018-02-02 10:57:44,634 INFO  L174        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2018-02-02 10:57:44,635 INFO  L174        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2018-02-02 10:57:44,637 INFO  L177        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2018-02-02 10:57:44,637 INFO  L177        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2018-02-02 10:57:44,637 INFO  L174        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2018-02-02 10:57:44,638 INFO  L174        SettingsManager]: Resetting Boogie Printer preferences to default values
[2018-02-02 10:57:44,639 INFO  L174        SettingsManager]: Resetting Witness Printer preferences to default values
[2018-02-02 10:57:44,640 INFO  L177        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2018-02-02 10:57:44,640 INFO  L174        SettingsManager]: Resetting CDTParser preferences to default values
[2018-02-02 10:57:44,641 INFO  L177        SettingsManager]: PEA to Boogie provides no preferences, ignoring...
[2018-02-02 10:57:44,641 INFO  L177        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2018-02-02 10:57:44,641 INFO  L174        SettingsManager]: Resetting Witness Parser preferences to default values
[2018-02-02 10:57:44,642 INFO  L181        SettingsManager]: Finished resetting all preferences to default values...
[2018-02-02 10:57:44,642 INFO  L98         SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cav18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf
[2018-02-02 10:57:44,652 INFO  L110        SettingsManager]: Loading preferences was successful
[2018-02-02 10:57:44,653 INFO  L112        SettingsManager]: Preferences different from defaults after loading the file:
[2018-02-02 10:57:44,654 INFO  L131        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2018-02-02 10:57:44,654 INFO  L133        SettingsManager]:  * Create parallel compositions if possible=false
[2018-02-02 10:57:44,654 INFO  L133        SettingsManager]:  * Use SBE=true
[2018-02-02 10:57:44,655 INFO  L131        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2018-02-02 10:57:44,655 INFO  L133        SettingsManager]:  * sizeof long=4
[2018-02-02 10:57:44,655 INFO  L133        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2018-02-02 10:57:44,655 INFO  L133        SettingsManager]:  * Overapproximate operations on floating types=true
[2018-02-02 10:57:44,655 INFO  L133        SettingsManager]:  * sizeof POINTER=4
[2018-02-02 10:57:44,656 INFO  L133        SettingsManager]:  * Check division by zero=IGNORE
[2018-02-02 10:57:44,656 INFO  L133        SettingsManager]:  * Check for the main procedure if all allocated memory was freed=true
[2018-02-02 10:57:44,656 INFO  L133        SettingsManager]:  * Bitprecise bitfields=true
[2018-02-02 10:57:44,656 INFO  L133        SettingsManager]:  * SV-COMP memtrack compatibility mode=true
[2018-02-02 10:57:44,656 INFO  L133        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2018-02-02 10:57:44,656 INFO  L133        SettingsManager]:  * sizeof long double=12
[2018-02-02 10:57:44,657 INFO  L131        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2018-02-02 10:57:44,657 INFO  L133        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2018-02-02 10:57:44,657 INFO  L133        SettingsManager]:  * To the following directory=./dump/
[2018-02-02 10:57:44,657 INFO  L133        SettingsManager]:  * SMT solver=External_DefaultMode
[2018-02-02 10:57:44,657 INFO  L133        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2018-02-02 10:57:44,657 INFO  L131        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2018-02-02 10:57:44,658 INFO  L133        SettingsManager]:  * Compute Interpolants along a Counterexample=Craig_NestedInterpolation
[2018-02-02 10:57:44,658 INFO  L133        SettingsManager]:  * SMT solver=External_Z3InterpolationMode
[2018-02-02 10:57:44,658 INFO  L133        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-02-02 10:57:44,688 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2018-02-02 10:57:44,703 INFO  L266   ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized
[2018-02-02 10:57:44,706 INFO  L222   ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected.
[2018-02-02 10:57:44,708 INFO  L271        PluginConnector]: Initializing CDTParser...
[2018-02-02 10:57:44,709 INFO  L276        PluginConnector]: CDTParser initialized
[2018-02-02 10:57:44,709 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0237_true-valid-memsafety.i
[2018-02-02 10:57:44,849 INFO  L304   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2018-02-02 10:57:44,850 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2018-02-02 10:57:44,851 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2018-02-02 10:57:44,851 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2018-02-02 10:57:44,855 INFO  L276        PluginConnector]: CACSL2BoogieTranslator initialized
[2018-02-02 10:57:44,856 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 10:57:44" (1/1) ...
[2018-02-02 10:57:44,858 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59897e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:57:44, skipping insertion in model container
[2018-02-02 10:57:44,858 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 10:57:44" (1/1) ...
[2018-02-02 10:57:44,869 INFO  L153             Dispatcher]: Using SV-COMP mode
[2018-02-02 10:57:44,900 INFO  L153             Dispatcher]: Using SV-COMP mode
[2018-02-02 10:57:44,996 INFO  L450          PostProcessor]: Settings: Checked method=main
[2018-02-02 10:57:45,018 INFO  L450          PostProcessor]: Settings: Checked method=main
[2018-02-02 10:57:45,027 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:57:45 WrapperNode
[2018-02-02 10:57:45,027 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2018-02-02 10:57:45,027 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2018-02-02 10:57:45,028 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2018-02-02 10:57:45,028 INFO  L276        PluginConnector]: Boogie Preprocessor initialized
[2018-02-02 10:57:45,038 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:57:45" (1/1) ...
[2018-02-02 10:57:45,038 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:57:45" (1/1) ...
[2018-02-02 10:57:45,047 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:57:45" (1/1) ...
[2018-02-02 10:57:45,047 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:57:45" (1/1) ...
[2018-02-02 10:57:45,055 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:57:45" (1/1) ...
[2018-02-02 10:57:45,058 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:57:45" (1/1) ...
[2018-02-02 10:57:45,060 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:57:45" (1/1) ...
[2018-02-02 10:57:45,063 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2018-02-02 10:57:45,064 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2018-02-02 10:57:45,064 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2018-02-02 10:57:45,064 INFO  L276        PluginConnector]: RCFGBuilder initialized
[2018-02-02 10:57:45,065 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:57:45" (1/1) ...
No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2018-02-02 10:57:45,104 INFO  L136     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2018-02-02 10:57:45,104 INFO  L136     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2018-02-02 10:57:45,105 INFO  L136     BoogieDeclarations]: Found implementation of procedure calloc_model
[2018-02-02 10:57:45,105 INFO  L136     BoogieDeclarations]: Found implementation of procedure zalloc_or_die
[2018-02-02 10:57:45,105 INFO  L136     BoogieDeclarations]: Found implementation of procedure l4_insert
[2018-02-02 10:57:45,105 INFO  L136     BoogieDeclarations]: Found implementation of procedure l3_insert
[2018-02-02 10:57:45,105 INFO  L136     BoogieDeclarations]: Found implementation of procedure l2_insert
[2018-02-02 10:57:45,105 INFO  L136     BoogieDeclarations]: Found implementation of procedure l1_insert
[2018-02-02 10:57:45,105 INFO  L136     BoogieDeclarations]: Found implementation of procedure l0_insert
[2018-02-02 10:57:45,105 INFO  L136     BoogieDeclarations]: Found implementation of procedure l4_destroy
[2018-02-02 10:57:45,105 INFO  L136     BoogieDeclarations]: Found implementation of procedure l3_destroy
[2018-02-02 10:57:45,105 INFO  L136     BoogieDeclarations]: Found implementation of procedure l2_destroy
[2018-02-02 10:57:45,106 INFO  L136     BoogieDeclarations]: Found implementation of procedure l1_destroy
[2018-02-02 10:57:45,106 INFO  L136     BoogieDeclarations]: Found implementation of procedure l0_destroy
[2018-02-02 10:57:45,106 INFO  L136     BoogieDeclarations]: Found implementation of procedure main
[2018-02-02 10:57:45,106 INFO  L128     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2018-02-02 10:57:45,106 INFO  L128     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2018-02-02 10:57:45,106 INFO  L128     BoogieDeclarations]: Found specification of procedure ULTIMATE.free
[2018-02-02 10:57:45,106 INFO  L128     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2018-02-02 10:57:45,106 INFO  L128     BoogieDeclarations]: Found specification of procedure #Ultimate.alloc
[2018-02-02 10:57:45,106 INFO  L128     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset
[2018-02-02 10:57:45,106 INFO  L136     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset
[2018-02-02 10:57:45,106 INFO  L128     BoogieDeclarations]: Found specification of procedure malloc
[2018-02-02 10:57:45,106 INFO  L128     BoogieDeclarations]: Found specification of procedure free
[2018-02-02 10:57:45,106 INFO  L128     BoogieDeclarations]: Found specification of procedure abort
[2018-02-02 10:57:45,107 INFO  L128     BoogieDeclarations]: Found specification of procedure memset
[2018-02-02 10:57:45,107 INFO  L128     BoogieDeclarations]: Found specification of procedure calloc_model
[2018-02-02 10:57:45,107 INFO  L128     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2018-02-02 10:57:45,107 INFO  L128     BoogieDeclarations]: Found specification of procedure zalloc_or_die
[2018-02-02 10:57:45,107 INFO  L128     BoogieDeclarations]: Found specification of procedure l4_insert
[2018-02-02 10:57:45,107 INFO  L128     BoogieDeclarations]: Found specification of procedure l3_insert
[2018-02-02 10:57:45,107 INFO  L128     BoogieDeclarations]: Found specification of procedure l2_insert
[2018-02-02 10:57:45,107 INFO  L128     BoogieDeclarations]: Found specification of procedure l1_insert
[2018-02-02 10:57:45,107 INFO  L128     BoogieDeclarations]: Found specification of procedure l0_insert
[2018-02-02 10:57:45,107 INFO  L128     BoogieDeclarations]: Found specification of procedure l4_destroy
[2018-02-02 10:57:45,107 INFO  L128     BoogieDeclarations]: Found specification of procedure l3_destroy
[2018-02-02 10:57:45,108 INFO  L128     BoogieDeclarations]: Found specification of procedure l2_destroy
[2018-02-02 10:57:45,108 INFO  L128     BoogieDeclarations]: Found specification of procedure l1_destroy
[2018-02-02 10:57:45,108 INFO  L128     BoogieDeclarations]: Found specification of procedure l0_destroy
[2018-02-02 10:57:45,108 INFO  L128     BoogieDeclarations]: Found specification of procedure main
[2018-02-02 10:57:45,108 INFO  L128     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2018-02-02 10:57:45,108 INFO  L128     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2018-02-02 10:57:45,317 WARN  L455   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2018-02-02 10:57:45,521 INFO  L257             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2018-02-02 10:57:45,522 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 10:57:45 BoogieIcfgContainer
[2018-02-02 10:57:45,522 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2018-02-02 10:57:45,523 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2018-02-02 10:57:45,523 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2018-02-02 10:57:45,525 INFO  L276        PluginConnector]: TraceAbstraction initialized
[2018-02-02 10:57:45,525 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 10:57:44" (1/3) ...
[2018-02-02 10:57:45,526 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f2eb511 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 10:57:45, skipping insertion in model container
[2018-02-02 10:57:45,526 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:57:45" (2/3) ...
[2018-02-02 10:57:45,526 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f2eb511 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 10:57:45, skipping insertion in model container
[2018-02-02 10:57:45,526 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 10:57:45" (3/3) ...
[2018-02-02 10:57:45,528 INFO  L107   eAbstractionObserver]: Analyzing ICFG test-0237_true-valid-memsafety.i
[2018-02-02 10:57:45,533 INFO  L128   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2018-02-02 10:57:45,540 INFO  L140   ceAbstractionStarter]: Appying trace abstraction to program that has 83 error locations.
[2018-02-02 10:57:45,565 INFO  L322      AbstractCegarLoop]: Interprodecural is true
[2018-02-02 10:57:45,565 INFO  L323      AbstractCegarLoop]: Hoare is false
[2018-02-02 10:57:45,566 INFO  L324      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2018-02-02 10:57:45,566 INFO  L325      AbstractCegarLoop]: Backedges is CANONICAL
[2018-02-02 10:57:45,566 INFO  L326      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2018-02-02 10:57:45,566 INFO  L327      AbstractCegarLoop]: Difference is false
[2018-02-02 10:57:45,566 INFO  L328      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2018-02-02 10:57:45,566 INFO  L333      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2018-02-02 10:57:45,567 INFO  L87    2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure
[2018-02-02 10:57:45,580 INFO  L276                IsEmpty]: Start isEmpty. Operand 250 states.
[2018-02-02 10:57:45,587 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2018-02-02 10:57:45,587 INFO  L343         BasicCegarLoop]: Found error trace
[2018-02-02 10:57:45,588 INFO  L351         BasicCegarLoop]: trace histogram [1, 1, 1, 1]
[2018-02-02 10:57:45,588 INFO  L371      AbstractCegarLoop]: === Iteration 1 === [l3_destroyErr0RequiresViolation, l3_destroyErr3RequiresViolation, l3_destroyErr1RequiresViolation, l3_destroyErr2RequiresViolation, l3_destroyErr4RequiresViolation, l3_destroyErr5RequiresViolation, l0_insertErr3RequiresViolation, l0_insertErr1RequiresViolation, l0_insertErr5RequiresViolation, l0_insertErr2RequiresViolation, l0_insertErr4RequiresViolation, l0_insertErr0RequiresViolation, l4_destroyErr4RequiresViolation, l4_destroyErr6RequiresViolation, l4_destroyErr2RequiresViolation, l4_destroyErr3RequiresViolation, l4_destroyErr1RequiresViolation, l4_destroyErr7RequiresViolation, l4_destroyErr0RequiresViolation, l4_destroyErr5RequiresViolation, l2_insertErr3RequiresViolation, l2_insertErr5RequiresViolation, l2_insertErr0RequiresViolation, l2_insertErr1RequiresViolation, l2_insertErr7RequiresViolation, l2_insertErr4RequiresViolation, l2_insertErr6RequiresViolation, l2_insertErr2RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation, l3_insertErr6RequiresViolation, l3_insertErr4RequiresViolation, l3_insertErr0RequiresViolation, l3_insertErr5RequiresViolation, l3_insertErr3RequiresViolation, l3_insertErr1RequiresViolation, l3_insertErr7RequiresViolation, l3_insertErr2RequiresViolation, l1_insertErr4RequiresViolation, l1_insertErr0RequiresViolation, l1_insertErr6RequiresViolation, l1_insertErr2RequiresViolation, l1_insertErr3RequiresViolation, l1_insertErr1RequiresViolation, l1_insertErr7RequiresViolation, l1_insertErr5RequiresViolation, l0_destroyErr5RequiresViolation, l0_destroyErr3RequiresViolation, l0_destroyErr1RequiresViolation, l0_destroyErr0RequiresViolation, l0_destroyErr4RequiresViolation, l0_destroyErr2RequiresViolation, calloc_modelErr0RequiresViolation, calloc_modelErr1RequiresViolation, l4_insertErr3RequiresViolation, l4_insertErr13RequiresViolation, l4_insertErr6RequiresViolation, l4_insertErr8RequiresViolation, l4_insertErr10RequiresViolation, l4_insertErr1RequiresViolation, l4_insertErr5RequiresViolation, l4_insertErr9RequiresViolation, l4_insertErr12RequiresViolation, l4_insertErr4RequiresViolation, l4_insertErr2RequiresViolation, l4_insertErr0RequiresViolation, l4_insertErr11RequiresViolation, l4_insertErr7RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, l1_destroyErr2RequiresViolation, l1_destroyErr4RequiresViolation, l1_destroyErr0RequiresViolation, l1_destroyErr1RequiresViolation, l1_destroyErr5RequiresViolation, l1_destroyErr3RequiresViolation, l2_destroyErr1RequiresViolation, l2_destroyErr0RequiresViolation, l2_destroyErr2RequiresViolation, l2_destroyErr4RequiresViolation, l2_destroyErr5RequiresViolation, l2_destroyErr3RequiresViolation]===
[2018-02-02 10:57:45,591 INFO  L82        PathProgramCache]: Analyzing trace with hash 12677088, now seen corresponding path program 1 times
No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-02-02 10:57:45,602 INFO  L67    tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy
[2018-02-02 10:57:45,619 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:45,640 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-02 10:57:45,659 INFO  L320   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-02-02 10:57:45,659 INFO  L335   seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2018-02-02 10:57:45,660 INFO  L142   lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state
[2018-02-02 10:57:45,661 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-02 10:57:45,661 INFO  L182   omatonBuilderFactory]: Interpolants [253#true, 254#false, 255#(= 1 (select |#valid| |~#list~0.base|))]
[2018-02-02 10:57:45,661 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-02 10:57:45,662 INFO  L409      AbstractCegarLoop]: Interpolant automaton has 3 states
[2018-02-02 10:57:45,671 INFO  L132   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2018-02-02 10:57:45,672 INFO  L133   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-02-02 10:57:45,673 INFO  L87              Difference]: Start difference. First operand 250 states. Second operand 3 states.
[2018-02-02 10:57:45,865 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-02 10:57:45,865 INFO  L93              Difference]: Finished difference Result 279 states and 298 transitions.
[2018-02-02 10:57:45,866 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2018-02-02 10:57:45,867 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 4
[2018-02-02 10:57:45,867 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-02 10:57:45,877 INFO  L225             Difference]: With dead ends: 279
[2018-02-02 10:57:45,878 INFO  L226             Difference]: Without dead ends: 276
[2018-02-02 10:57:45,879 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
[2018-02-02 10:57:45,891 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 276 states.
[2018-02-02 10:57:45,973 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 245.
[2018-02-02 10:57:45,974 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 245 states.
[2018-02-02 10:57:45,977 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 260 transitions.
[2018-02-02 10:57:45,979 INFO  L78                 Accepts]: Start accepts. Automaton has 245 states and 260 transitions. Word has length 4
[2018-02-02 10:57:45,979 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-02-02 10:57:45,979 INFO  L432      AbstractCegarLoop]: Abstraction has 245 states and 260 transitions.
[2018-02-02 10:57:45,979 INFO  L433      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2018-02-02 10:57:45,979 INFO  L276                IsEmpty]: Start isEmpty. Operand 245 states and 260 transitions.
[2018-02-02 10:57:45,980 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2018-02-02 10:57:45,980 INFO  L343         BasicCegarLoop]: Found error trace
[2018-02-02 10:57:45,980 INFO  L351         BasicCegarLoop]: trace histogram [1, 1, 1, 1]
[2018-02-02 10:57:45,980 INFO  L371      AbstractCegarLoop]: === Iteration 2 === [l3_destroyErr0RequiresViolation, l3_destroyErr3RequiresViolation, l3_destroyErr1RequiresViolation, l3_destroyErr2RequiresViolation, l3_destroyErr4RequiresViolation, l3_destroyErr5RequiresViolation, l0_insertErr3RequiresViolation, l0_insertErr1RequiresViolation, l0_insertErr5RequiresViolation, l0_insertErr2RequiresViolation, l0_insertErr4RequiresViolation, l0_insertErr0RequiresViolation, l4_destroyErr4RequiresViolation, l4_destroyErr6RequiresViolation, l4_destroyErr2RequiresViolation, l4_destroyErr3RequiresViolation, l4_destroyErr1RequiresViolation, l4_destroyErr7RequiresViolation, l4_destroyErr0RequiresViolation, l4_destroyErr5RequiresViolation, l2_insertErr3RequiresViolation, l2_insertErr5RequiresViolation, l2_insertErr0RequiresViolation, l2_insertErr1RequiresViolation, l2_insertErr7RequiresViolation, l2_insertErr4RequiresViolation, l2_insertErr6RequiresViolation, l2_insertErr2RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation, l3_insertErr6RequiresViolation, l3_insertErr4RequiresViolation, l3_insertErr0RequiresViolation, l3_insertErr5RequiresViolation, l3_insertErr3RequiresViolation, l3_insertErr1RequiresViolation, l3_insertErr7RequiresViolation, l3_insertErr2RequiresViolation, l1_insertErr4RequiresViolation, l1_insertErr0RequiresViolation, l1_insertErr6RequiresViolation, l1_insertErr2RequiresViolation, l1_insertErr3RequiresViolation, l1_insertErr1RequiresViolation, l1_insertErr7RequiresViolation, l1_insertErr5RequiresViolation, l0_destroyErr5RequiresViolation, l0_destroyErr3RequiresViolation, l0_destroyErr1RequiresViolation, l0_destroyErr0RequiresViolation, l0_destroyErr4RequiresViolation, l0_destroyErr2RequiresViolation, calloc_modelErr0RequiresViolation, calloc_modelErr1RequiresViolation, l4_insertErr3RequiresViolation, l4_insertErr13RequiresViolation, l4_insertErr6RequiresViolation, l4_insertErr8RequiresViolation, l4_insertErr10RequiresViolation, l4_insertErr1RequiresViolation, l4_insertErr5RequiresViolation, l4_insertErr9RequiresViolation, l4_insertErr12RequiresViolation, l4_insertErr4RequiresViolation, l4_insertErr2RequiresViolation, l4_insertErr0RequiresViolation, l4_insertErr11RequiresViolation, l4_insertErr7RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, l1_destroyErr2RequiresViolation, l1_destroyErr4RequiresViolation, l1_destroyErr0RequiresViolation, l1_destroyErr1RequiresViolation, l1_destroyErr5RequiresViolation, l1_destroyErr3RequiresViolation, l2_destroyErr1RequiresViolation, l2_destroyErr0RequiresViolation, l2_destroyErr2RequiresViolation, l2_destroyErr4RequiresViolation, l2_destroyErr5RequiresViolation, l2_destroyErr3RequiresViolation]===
[2018-02-02 10:57:45,980 INFO  L82        PathProgramCache]: Analyzing trace with hash 12677089, now seen corresponding path program 1 times
No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-02-02 10:57:45,991 INFO  L67    tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy
[2018-02-02 10:57:45,998 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:46,001 WARN  L195               Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier

[2018-02-02 10:57:46,006 WARN  L251   NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-02 10:57:46,006 WARN  L251   NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-02 10:57:46,008 WARN  L251   NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-02 10:57:46,008 WARN  L251   NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-02 10:57:46,040 WARN  L1033  $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 4) (store |c_#length| %1 4)) :qid itp)) :qid itp)) is different from true
[2018-02-02 10:57:46,072 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-02 10:57:46,101 INFO  L320   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-02-02 10:57:46,101 INFO  L335   seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2018-02-02 10:57:46,101 INFO  L142   lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state
[2018-02-02 10:57:46,101 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-02 10:57:46,101 INFO  L182   omatonBuilderFactory]: Interpolants [780#true, 781#false, 782#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 4) (store |#length| %1 4)) :qid itp)) :qid itp)), 783#(and (<= (+ |~#list~0.offset| 4) (select |#length| |~#list~0.base|)) (= 4 (select |#length| |~#list~0.base|)) (<= 0 |~#list~0.offset|))]
[2018-02-02 10:57:46,101 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-02 10:57:46,102 INFO  L409      AbstractCegarLoop]: Interpolant automaton has 4 states
[2018-02-02 10:57:46,102 INFO  L132   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2018-02-02 10:57:46,103 INFO  L133   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=4, Unknown=1, NotChecked=2, Total=12
[2018-02-02 10:57:46,103 INFO  L87              Difference]: Start difference. First operand 245 states and 260 transitions. Second operand 4 states.
[2018-02-02 10:57:46,231 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-02 10:57:46,231 INFO  L93              Difference]: Finished difference Result 252 states and 270 transitions.
[2018-02-02 10:57:46,231 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2018-02-02 10:57:46,231 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 4
[2018-02-02 10:57:46,231 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-02 10:57:46,233 INFO  L225             Difference]: With dead ends: 252
[2018-02-02 10:57:46,233 INFO  L226             Difference]: Without dead ends: 252
[2018-02-02 10:57:46,234 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
[2018-02-02 10:57:46,235 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 252 states.
[2018-02-02 10:57:46,244 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 244.
[2018-02-02 10:57:46,244 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 244 states.
[2018-02-02 10:57:46,246 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 259 transitions.
[2018-02-02 10:57:46,247 INFO  L78                 Accepts]: Start accepts. Automaton has 244 states and 259 transitions. Word has length 4
[2018-02-02 10:57:46,247 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-02-02 10:57:46,247 INFO  L432      AbstractCegarLoop]: Abstraction has 244 states and 259 transitions.
[2018-02-02 10:57:46,247 INFO  L433      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2018-02-02 10:57:46,247 INFO  L276                IsEmpty]: Start isEmpty. Operand 244 states and 259 transitions.
[2018-02-02 10:57:46,248 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2018-02-02 10:57:46,248 INFO  L343         BasicCegarLoop]: Found error trace
[2018-02-02 10:57:46,248 INFO  L351         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-02 10:57:46,248 INFO  L371      AbstractCegarLoop]: === Iteration 3 === [l3_destroyErr0RequiresViolation, l3_destroyErr3RequiresViolation, l3_destroyErr1RequiresViolation, l3_destroyErr2RequiresViolation, l3_destroyErr4RequiresViolation, l3_destroyErr5RequiresViolation, l0_insertErr3RequiresViolation, l0_insertErr1RequiresViolation, l0_insertErr5RequiresViolation, l0_insertErr2RequiresViolation, l0_insertErr4RequiresViolation, l0_insertErr0RequiresViolation, l4_destroyErr4RequiresViolation, l4_destroyErr6RequiresViolation, l4_destroyErr2RequiresViolation, l4_destroyErr3RequiresViolation, l4_destroyErr1RequiresViolation, l4_destroyErr7RequiresViolation, l4_destroyErr0RequiresViolation, l4_destroyErr5RequiresViolation, l2_insertErr3RequiresViolation, l2_insertErr5RequiresViolation, l2_insertErr0RequiresViolation, l2_insertErr1RequiresViolation, l2_insertErr7RequiresViolation, l2_insertErr4RequiresViolation, l2_insertErr6RequiresViolation, l2_insertErr2RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation, l3_insertErr6RequiresViolation, l3_insertErr4RequiresViolation, l3_insertErr0RequiresViolation, l3_insertErr5RequiresViolation, l3_insertErr3RequiresViolation, l3_insertErr1RequiresViolation, l3_insertErr7RequiresViolation, l3_insertErr2RequiresViolation, l1_insertErr4RequiresViolation, l1_insertErr0RequiresViolation, l1_insertErr6RequiresViolation, l1_insertErr2RequiresViolation, l1_insertErr3RequiresViolation, l1_insertErr1RequiresViolation, l1_insertErr7RequiresViolation, l1_insertErr5RequiresViolation, l0_destroyErr5RequiresViolation, l0_destroyErr3RequiresViolation, l0_destroyErr1RequiresViolation, l0_destroyErr0RequiresViolation, l0_destroyErr4RequiresViolation, l0_destroyErr2RequiresViolation, calloc_modelErr0RequiresViolation, calloc_modelErr1RequiresViolation, l4_insertErr3RequiresViolation, l4_insertErr13RequiresViolation, l4_insertErr6RequiresViolation, l4_insertErr8RequiresViolation, l4_insertErr10RequiresViolation, l4_insertErr1RequiresViolation, l4_insertErr5RequiresViolation, l4_insertErr9RequiresViolation, l4_insertErr12RequiresViolation, l4_insertErr4RequiresViolation, l4_insertErr2RequiresViolation, l4_insertErr0RequiresViolation, l4_insertErr11RequiresViolation, l4_insertErr7RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, l1_destroyErr2RequiresViolation, l1_destroyErr4RequiresViolation, l1_destroyErr0RequiresViolation, l1_destroyErr1RequiresViolation, l1_destroyErr5RequiresViolation, l1_destroyErr3RequiresViolation, l2_destroyErr1RequiresViolation, l2_destroyErr0RequiresViolation, l2_destroyErr2RequiresViolation, l2_destroyErr4RequiresViolation, l2_destroyErr5RequiresViolation, l2_destroyErr3RequiresViolation]===
[2018-02-02 10:57:46,248 INFO  L82        PathProgramCache]: Analyzing trace with hash -144742640, now seen corresponding path program 1 times
No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-02-02 10:57:46,257 INFO  L67    tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy
[2018-02-02 10:57:46,268 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:46,270 WARN  L195               Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier

[2018-02-02 10:57:46,271 WARN  L251   NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-02 10:57:46,271 WARN  L251   NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-02 10:57:46,271 WARN  L251   NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-02 10:57:46,271 WARN  L251   NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-02 10:57:46,277 WARN  L1033  $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |c_#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)) is different from true
[2018-02-02 10:57:46,296 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:46,298 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-02 10:57:46,314 INFO  L320   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-02-02 10:57:46,315 INFO  L335   seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2018-02-02 10:57:46,315 INFO  L142   lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state
[2018-02-02 10:57:46,315 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-02 10:57:46,316 INFO  L182   omatonBuilderFactory]: Interpolants [1280#true, 1281#false, 1287#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)), 1288#(= 1 (select |#valid| |calloc_model_#t~malloc0.base|)), 1289#(= 1 (select |#valid| calloc_model_~ptr~0.base)), 1290#(and (= |~#list~0.base| |old(~#list~0.base)|) (= |#valid| |old(#valid)|) (= |~#list~0.offset| |old(~#list~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))]
[2018-02-02 10:57:46,316 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-02 10:57:46,316 INFO  L409      AbstractCegarLoop]: Interpolant automaton has 6 states
[2018-02-02 10:57:46,316 INFO  L132   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2018-02-02 10:57:46,316 INFO  L133   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30
[2018-02-02 10:57:46,317 INFO  L87              Difference]: Start difference. First operand 244 states and 259 transitions. Second operand 6 states.
[2018-02-02 10:57:46,342 WARN  L1011  $PredicateComparison]: unable to prove that (and (= |c_~#list~0.base| |c_old(~#list~0.base)|) (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |c_#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)) (= |c_#valid| |c_old(#valid)|) (= |c_~#list~0.offset| |c_old(~#list~0.offset)|) (= |c_#NULL.base| |c_old(#NULL.base)|) (= |c_#NULL.offset| |c_old(#NULL.offset)|) (= |c_#memory_$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
[2018-02-02 10:57:46,809 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-02 10:57:46,809 INFO  L93              Difference]: Finished difference Result 275 states and 296 transitions.
[2018-02-02 10:57:46,809 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2018-02-02 10:57:46,810 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 17
[2018-02-02 10:57:46,810 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-02 10:57:46,811 INFO  L225             Difference]: With dead ends: 275
[2018-02-02 10:57:46,811 INFO  L226             Difference]: Without dead ends: 275
[2018-02-02 10:57:46,812 INFO  L554         BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=21, Unknown=2, NotChecked=18, Total=56
[2018-02-02 10:57:46,812 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 275 states.
[2018-02-02 10:57:46,820 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 243.
[2018-02-02 10:57:46,820 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 243 states.
[2018-02-02 10:57:46,821 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 258 transitions.
[2018-02-02 10:57:46,822 INFO  L78                 Accepts]: Start accepts. Automaton has 243 states and 258 transitions. Word has length 17
[2018-02-02 10:57:46,822 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-02-02 10:57:46,822 INFO  L432      AbstractCegarLoop]: Abstraction has 243 states and 258 transitions.
[2018-02-02 10:57:46,822 INFO  L433      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2018-02-02 10:57:46,822 INFO  L276                IsEmpty]: Start isEmpty. Operand 243 states and 258 transitions.
[2018-02-02 10:57:46,822 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2018-02-02 10:57:46,823 INFO  L343         BasicCegarLoop]: Found error trace
[2018-02-02 10:57:46,823 INFO  L351         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-02 10:57:46,823 INFO  L371      AbstractCegarLoop]: === Iteration 4 === [l3_destroyErr0RequiresViolation, l3_destroyErr3RequiresViolation, l3_destroyErr1RequiresViolation, l3_destroyErr2RequiresViolation, l3_destroyErr4RequiresViolation, l3_destroyErr5RequiresViolation, l0_insertErr3RequiresViolation, l0_insertErr1RequiresViolation, l0_insertErr5RequiresViolation, l0_insertErr2RequiresViolation, l0_insertErr4RequiresViolation, l0_insertErr0RequiresViolation, l4_destroyErr4RequiresViolation, l4_destroyErr6RequiresViolation, l4_destroyErr2RequiresViolation, l4_destroyErr3RequiresViolation, l4_destroyErr1RequiresViolation, l4_destroyErr7RequiresViolation, l4_destroyErr0RequiresViolation, l4_destroyErr5RequiresViolation, l2_insertErr3RequiresViolation, l2_insertErr5RequiresViolation, l2_insertErr0RequiresViolation, l2_insertErr1RequiresViolation, l2_insertErr7RequiresViolation, l2_insertErr4RequiresViolation, l2_insertErr6RequiresViolation, l2_insertErr2RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation, l3_insertErr6RequiresViolation, l3_insertErr4RequiresViolation, l3_insertErr0RequiresViolation, l3_insertErr5RequiresViolation, l3_insertErr3RequiresViolation, l3_insertErr1RequiresViolation, l3_insertErr7RequiresViolation, l3_insertErr2RequiresViolation, l1_insertErr4RequiresViolation, l1_insertErr0RequiresViolation, l1_insertErr6RequiresViolation, l1_insertErr2RequiresViolation, l1_insertErr3RequiresViolation, l1_insertErr1RequiresViolation, l1_insertErr7RequiresViolation, l1_insertErr5RequiresViolation, l0_destroyErr5RequiresViolation, l0_destroyErr3RequiresViolation, l0_destroyErr1RequiresViolation, l0_destroyErr0RequiresViolation, l0_destroyErr4RequiresViolation, l0_destroyErr2RequiresViolation, calloc_modelErr0RequiresViolation, calloc_modelErr1RequiresViolation, l4_insertErr3RequiresViolation, l4_insertErr13RequiresViolation, l4_insertErr6RequiresViolation, l4_insertErr8RequiresViolation, l4_insertErr10RequiresViolation, l4_insertErr1RequiresViolation, l4_insertErr5RequiresViolation, l4_insertErr9RequiresViolation, l4_insertErr12RequiresViolation, l4_insertErr4RequiresViolation, l4_insertErr2RequiresViolation, l4_insertErr0RequiresViolation, l4_insertErr11RequiresViolation, l4_insertErr7RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, l1_destroyErr2RequiresViolation, l1_destroyErr4RequiresViolation, l1_destroyErr0RequiresViolation, l1_destroyErr1RequiresViolation, l1_destroyErr5RequiresViolation, l1_destroyErr3RequiresViolation, l2_destroyErr1RequiresViolation, l2_destroyErr0RequiresViolation, l2_destroyErr2RequiresViolation, l2_destroyErr4RequiresViolation, l2_destroyErr5RequiresViolation, l2_destroyErr3RequiresViolation]===
[2018-02-02 10:57:46,823 INFO  L82        PathProgramCache]: Analyzing trace with hash -144742639, 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)
[2018-02-02 10:57:46,826 INFO  L67    tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy
Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-02-02 10:57:46,836 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:46,841 WARN  L195               Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier
WARNING: array quantifier

[2018-02-02 10:57:46,883 WARN  L251   NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-02 10:57:46,884 WARN  L251   NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-02 10:57:46,884 WARN  L251   NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-02 10:57:46,884 WARN  L251   NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-02 10:57:46,899 WARN  L251   NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-02 10:57:46,899 WARN  L251   NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-02 10:57:46,899 WARN  L251   NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-02 10:57:46,900 WARN  L251   NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-02 10:57:47,040 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:47,043 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-02 10:57:47,071 INFO  L320   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-02-02 10:57:47,072 INFO  L335   seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2018-02-02 10:57:47,072 INFO  L142   lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state
[2018-02-02 10:57:47,072 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-02 10:57:47,072 INFO  L182   omatonBuilderFactory]: Interpolants [1824#(and (= 8 (mod (* (mod calloc_model_~nmemb 4294967296) (mod calloc_model_~size 4294967296)) 4294967296)) (= 8 (select |#length| |calloc_model_#t~malloc0.base|)) (= 0 |calloc_model_#t~malloc0.offset|)), 1825#(and (<= 0 calloc_model_~ptr~0.offset) (or (and (< 2147483647 (mod (* (mod calloc_model_~nmemb 4294967296) (mod calloc_model_~size 4294967296)) 4294967296)) (<= (+ (mod (* (mod calloc_model_~nmemb 4294967296) (mod calloc_model_~size 4294967296)) 4294967296) calloc_model_~ptr~0.offset) (+ (select |#length| calloc_model_~ptr~0.base) 4294967296))) (<= (+ (mod (* (mod calloc_model_~nmemb 4294967296) (mod calloc_model_~size 4294967296)) 4294967296) calloc_model_~ptr~0.offset) (select |#length| calloc_model_~ptr~0.base)))), 1826#(and (= |~#list~0.base| |old(~#list~0.base)|) (= |#valid| |old(#valid)|) (= |~#list~0.offset| |old(~#list~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 1813#true, 1814#false, 1820#(= |zalloc_or_die_#in~size| 8), 1821#(= 8 zalloc_or_die_~size), 1822#(exists ((%0 (Array Int Int))) (! (and (= |calloc_model_#in~size| 8) (= |calloc_model_#in~nmemb| 1) (forall ((%1 Int)) (! (= (store %0 %1 8) (store |#length| %1 8)) :qid itp))) :qid itp)), 1823#(exists ((%0 (Array Int Int))) (! (and (= (ite (<= (mod (* (mod calloc_model_~nmemb 4294967296) (mod calloc_model_~size 4294967296)) 4294967296) 2147483647) (mod (* (mod calloc_model_~nmemb 4294967296) (mod calloc_model_~size 4294967296)) 4294967296) (+ (- 4294967296) (mod (* (mod calloc_model_~nmemb 4294967296) (mod calloc_model_~size 4294967296)) 4294967296))) 8) (forall ((%1 Int)) (! (= (store %0 %1 8) (store |#length| %1 8)) :qid itp))) :qid itp))]
[2018-02-02 10:57:47,072 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-02 10:57:47,073 INFO  L409      AbstractCegarLoop]: Interpolant automaton has 9 states
[2018-02-02 10:57:47,073 INFO  L132   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2018-02-02 10:57:47,073 INFO  L133   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=56, Unknown=1, NotChecked=0, Total=72
[2018-02-02 10:57:47,073 INFO  L87              Difference]: Start difference. First operand 243 states and 258 transitions. Second operand 9 states.
[2018-02-02 10:57:47,147 WARN  L1011  $PredicateComparison]: unable to prove that (and (= |c_~#list~0.base| |c_old(~#list~0.base)|) (= |c_#valid| |c_old(#valid)|) (exists ((%0 (Array Int Int))) (! (and (= |c_calloc_model_#in~size| 8) (= |c_calloc_model_#in~nmemb| 1) (forall ((%1 Int)) (! (= (store %0 %1 8) (store |c_#length| %1 8)) :qid itp))) :qid itp)) (= |c_~#list~0.offset| |c_old(~#list~0.offset)|) (= |c_#NULL.base| |c_old(#NULL.base)|) (= |c_#NULL.offset| |c_old(#NULL.offset)|) (= |c_#memory_$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
[2018-02-02 10:57:47,934 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-02 10:57:47,934 INFO  L93              Difference]: Finished difference Result 288 states and 310 transitions.
[2018-02-02 10:57:47,934 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2018-02-02 10:57:47,934 INFO  L78                 Accepts]: Start accepts. Automaton has 9 states. Word has length 17
[2018-02-02 10:57:47,935 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-02 10:57:47,936 INFO  L225             Difference]: With dead ends: 288
[2018-02-02 10:57:47,936 INFO  L226             Difference]: Without dead ends: 288
[2018-02-02 10:57:47,936 INFO  L554         BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=121, Unknown=3, NotChecked=22, Total=182
[2018-02-02 10:57:47,936 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 288 states.
[2018-02-02 10:57:47,941 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 256.
[2018-02-02 10:57:47,942 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 256 states.
[2018-02-02 10:57:47,942 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 271 transitions.
[2018-02-02 10:57:47,942 INFO  L78                 Accepts]: Start accepts. Automaton has 256 states and 271 transitions. Word has length 17
[2018-02-02 10:57:47,943 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-02-02 10:57:47,943 INFO  L432      AbstractCegarLoop]: Abstraction has 256 states and 271 transitions.
[2018-02-02 10:57:47,943 INFO  L433      AbstractCegarLoop]: Interpolant automaton has 9 states.
[2018-02-02 10:57:47,943 INFO  L276                IsEmpty]: Start isEmpty. Operand 256 states and 271 transitions.
[2018-02-02 10:57:47,943 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2018-02-02 10:57:47,944 INFO  L343         BasicCegarLoop]: Found error trace
[2018-02-02 10:57:47,944 INFO  L351         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-02 10:57:47,944 INFO  L371      AbstractCegarLoop]: === Iteration 5 === [l3_destroyErr0RequiresViolation, l3_destroyErr3RequiresViolation, l3_destroyErr1RequiresViolation, l3_destroyErr2RequiresViolation, l3_destroyErr4RequiresViolation, l3_destroyErr5RequiresViolation, l0_insertErr3RequiresViolation, l0_insertErr1RequiresViolation, l0_insertErr5RequiresViolation, l0_insertErr2RequiresViolation, l0_insertErr4RequiresViolation, l0_insertErr0RequiresViolation, l4_destroyErr4RequiresViolation, l4_destroyErr6RequiresViolation, l4_destroyErr2RequiresViolation, l4_destroyErr3RequiresViolation, l4_destroyErr1RequiresViolation, l4_destroyErr7RequiresViolation, l4_destroyErr0RequiresViolation, l4_destroyErr5RequiresViolation, l2_insertErr3RequiresViolation, l2_insertErr5RequiresViolation, l2_insertErr0RequiresViolation, l2_insertErr1RequiresViolation, l2_insertErr7RequiresViolation, l2_insertErr4RequiresViolation, l2_insertErr6RequiresViolation, l2_insertErr2RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation, l3_insertErr6RequiresViolation, l3_insertErr4RequiresViolation, l3_insertErr0RequiresViolation, l3_insertErr5RequiresViolation, l3_insertErr3RequiresViolation, l3_insertErr1RequiresViolation, l3_insertErr7RequiresViolation, l3_insertErr2RequiresViolation, l1_insertErr4RequiresViolation, l1_insertErr0RequiresViolation, l1_insertErr6RequiresViolation, l1_insertErr2RequiresViolation, l1_insertErr3RequiresViolation, l1_insertErr1RequiresViolation, l1_insertErr7RequiresViolation, l1_insertErr5RequiresViolation, l0_destroyErr5RequiresViolation, l0_destroyErr3RequiresViolation, l0_destroyErr1RequiresViolation, l0_destroyErr0RequiresViolation, l0_destroyErr4RequiresViolation, l0_destroyErr2RequiresViolation, calloc_modelErr0RequiresViolation, calloc_modelErr1RequiresViolation, l4_insertErr3RequiresViolation, l4_insertErr13RequiresViolation, l4_insertErr6RequiresViolation, l4_insertErr8RequiresViolation, l4_insertErr10RequiresViolation, l4_insertErr1RequiresViolation, l4_insertErr5RequiresViolation, l4_insertErr9RequiresViolation, l4_insertErr12RequiresViolation, l4_insertErr4RequiresViolation, l4_insertErr2RequiresViolation, l4_insertErr0RequiresViolation, l4_insertErr11RequiresViolation, l4_insertErr7RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, l1_destroyErr2RequiresViolation, l1_destroyErr4RequiresViolation, l1_destroyErr0RequiresViolation, l1_destroyErr1RequiresViolation, l1_destroyErr5RequiresViolation, l1_destroyErr3RequiresViolation, l2_destroyErr1RequiresViolation, l2_destroyErr0RequiresViolation, l2_destroyErr2RequiresViolation, l2_destroyErr4RequiresViolation, l2_destroyErr5RequiresViolation, l2_destroyErr3RequiresViolation]===
[2018-02-02 10:57:47,944 INFO  L82        PathProgramCache]: Analyzing trace with hash -1020493077, now seen corresponding path program 1 times
No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-02-02 10:57:47,947 INFO  L67    tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy
[2018-02-02 10:57:47,960 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:47,975 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:47,989 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:48,009 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:48,168 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:48,187 INFO  L134       CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-02 10:57:48,203 INFO  L320   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-02-02 10:57:48,204 INFO  L335   seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2018-02-02 10:57:48,204 INFO  L142   lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state
[2018-02-02 10:57:48,204 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-02 10:57:48,205 INFO  L182   omatonBuilderFactory]: Interpolants [2421#(not (= 8 |zalloc_or_die_#in~size|)), 2406#(and (= |~#list~0.base| |old(~#list~0.base)|) (= |#valid| |old(#valid)|) (= |~#list~0.offset| |old(~#list~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 2422#(= (mod (* (mod |calloc_model_#in~nmemb| 4294967296) (mod |calloc_model_#in~size| 4294967296)) 4294967296) (mod (* (mod calloc_model_~nmemb 4294967296) (mod calloc_model_~size 4294967296)) 4294967296)), 2407#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 2408#(or (and (not (= zalloc_or_die_~size 8)) (not (= |zalloc_or_die_#in~size| 8))) (and (= zalloc_or_die_~size 8) (= |zalloc_or_die_#in~size| 8))), 2428#(not (= (mod (* (mod |calloc_model_#in~nmemb| 4294967296) (mod |calloc_model_#in~size| 4294967296)) 4294967296) 8)), 2381#true, 2429#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 2382#false, 2430#(= 0 |#Ultimate.C_memset_#t~loopctr48|), 2431#(<= |#Ultimate.C_memset_#amount| 0)]
[2018-02-02 10:57:48,205 INFO  L134       CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-02 10:57:48,205 INFO  L409      AbstractCegarLoop]: Interpolant automaton has 11 states
[2018-02-02 10:57:48,205 INFO  L132   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2018-02-02 10:57:48,206 INFO  L133   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110
[2018-02-02 10:57:48,206 INFO  L87              Difference]: Start difference. First operand 256 states and 271 transitions. Second operand 11 states.
[2018-02-02 10:57:49,304 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-02 10:57:49,307 INFO  L93              Difference]: Finished difference Result 316 states and 346 transitions.
[2018-02-02 10:57:49,307 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2018-02-02 10:57:49,307 INFO  L78                 Accepts]: Start accepts. Automaton has 11 states. Word has length 40
[2018-02-02 10:57:49,308 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-02 10:57:49,309 INFO  L225             Difference]: With dead ends: 316
[2018-02-02 10:57:49,310 INFO  L226             Difference]: Without dead ends: 309
[2018-02-02 10:57:49,310 INFO  L554         BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=86, Invalid=334, Unknown=0, NotChecked=0, Total=420
[2018-02-02 10:57:49,311 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 309 states.
[2018-02-02 10:57:49,318 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 259.
[2018-02-02 10:57:49,319 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 259 states.
[2018-02-02 10:57:49,320 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 275 transitions.
[2018-02-02 10:57:49,320 INFO  L78                 Accepts]: Start accepts. Automaton has 259 states and 275 transitions. Word has length 40
[2018-02-02 10:57:49,320 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-02-02 10:57:49,320 INFO  L432      AbstractCegarLoop]: Abstraction has 259 states and 275 transitions.
[2018-02-02 10:57:49,321 INFO  L433      AbstractCegarLoop]: Interpolant automaton has 11 states.
[2018-02-02 10:57:49,321 INFO  L276                IsEmpty]: Start isEmpty. Operand 259 states and 275 transitions.
[2018-02-02 10:57:49,321 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2018-02-02 10:57:49,322 INFO  L343         BasicCegarLoop]: Found error trace
[2018-02-02 10:57:49,322 INFO  L351         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-02 10:57:49,322 INFO  L371      AbstractCegarLoop]: === Iteration 6 === [l3_destroyErr0RequiresViolation, l3_destroyErr3RequiresViolation, l3_destroyErr1RequiresViolation, l3_destroyErr2RequiresViolation, l3_destroyErr4RequiresViolation, l3_destroyErr5RequiresViolation, l0_insertErr3RequiresViolation, l0_insertErr1RequiresViolation, l0_insertErr5RequiresViolation, l0_insertErr2RequiresViolation, l0_insertErr4RequiresViolation, l0_insertErr0RequiresViolation, l4_destroyErr4RequiresViolation, l4_destroyErr6RequiresViolation, l4_destroyErr2RequiresViolation, l4_destroyErr3RequiresViolation, l4_destroyErr1RequiresViolation, l4_destroyErr7RequiresViolation, l4_destroyErr0RequiresViolation, l4_destroyErr5RequiresViolation, l2_insertErr3RequiresViolation, l2_insertErr5RequiresViolation, l2_insertErr0RequiresViolation, l2_insertErr1RequiresViolation, l2_insertErr7RequiresViolation, l2_insertErr4RequiresViolation, l2_insertErr6RequiresViolation, l2_insertErr2RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation, l3_insertErr6RequiresViolation, l3_insertErr4RequiresViolation, l3_insertErr0RequiresViolation, l3_insertErr5RequiresViolation, l3_insertErr3RequiresViolation, l3_insertErr1RequiresViolation, l3_insertErr7RequiresViolation, l3_insertErr2RequiresViolation, l1_insertErr4RequiresViolation, l1_insertErr0RequiresViolation, l1_insertErr6RequiresViolation, l1_insertErr2RequiresViolation, l1_insertErr3RequiresViolation, l1_insertErr1RequiresViolation, l1_insertErr7RequiresViolation, l1_insertErr5RequiresViolation, l0_destroyErr5RequiresViolation, l0_destroyErr3RequiresViolation, l0_destroyErr1RequiresViolation, l0_destroyErr0RequiresViolation, l0_destroyErr4RequiresViolation, l0_destroyErr2RequiresViolation, calloc_modelErr0RequiresViolation, calloc_modelErr1RequiresViolation, l4_insertErr3RequiresViolation, l4_insertErr13RequiresViolation, l4_insertErr6RequiresViolation, l4_insertErr8RequiresViolation, l4_insertErr10RequiresViolation, l4_insertErr1RequiresViolation, l4_insertErr5RequiresViolation, l4_insertErr9RequiresViolation, l4_insertErr12RequiresViolation, l4_insertErr4RequiresViolation, l4_insertErr2RequiresViolation, l4_insertErr0RequiresViolation, l4_insertErr11RequiresViolation, l4_insertErr7RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, l1_destroyErr2RequiresViolation, l1_destroyErr4RequiresViolation, l1_destroyErr0RequiresViolation, l1_destroyErr1RequiresViolation, l1_destroyErr5RequiresViolation, l1_destroyErr3RequiresViolation, l2_destroyErr1RequiresViolation, l2_destroyErr0RequiresViolation, l2_destroyErr2RequiresViolation, l2_destroyErr4RequiresViolation, l2_destroyErr5RequiresViolation, l2_destroyErr3RequiresViolation]===
[2018-02-02 10:57:49,322 INFO  L82        PathProgramCache]: Analyzing trace with hash -569439612, now seen corresponding path program 1 times
No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-02-02 10:57:49,328 INFO  L67    tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy
[2018-02-02 10:57:49,340 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:49,352 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:49,363 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:49,385 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:49,465 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:49,492 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-02 10:57:49,508 INFO  L320   seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2018-02-02 10:57:49,508 INFO  L335   seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12
[2018-02-02 10:57:49,508 INFO  L142   lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state
[2018-02-02 10:57:49,508 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-02 10:57:49,509 INFO  L182   omatonBuilderFactory]: Interpolants [3027#true, 3028#false, 3077#(not (= (mod (* (mod |calloc_model_#in~nmemb| 4294967296) (mod |calloc_model_#in~size| 4294967296)) 4294967296) 8)), 3078#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 3079#(= |#Ultimate.C_memset_#t~loopctr48| 0), 3080#(or (and (< |#Ultimate.C_memset_#t~loopctr48| |#Ultimate.C_memset_#amount|) (< 1 |#Ultimate.C_memset_#amount|)) (and (<= |#Ultimate.C_memset_#amount| 1) (<= |#Ultimate.C_memset_#amount| |#Ultimate.C_memset_#t~loopctr48|))), 3081#(<= |#Ultimate.C_memset_#amount| 1), 3053#(and (= |~#list~0.base| |old(~#list~0.base)|) (= |#valid| |old(#valid)|) (= |~#list~0.offset| |old(~#list~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 3069#(not (= 8 |zalloc_or_die_#in~size|)), 3054#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 3070#(= (mod (* (mod |calloc_model_#in~nmemb| 4294967296) (mod |calloc_model_#in~size| 4294967296)) 4294967296) (mod (* (mod calloc_model_~nmemb 4294967296) (mod calloc_model_~size 4294967296)) 4294967296)), 3055#(or (and (not (= zalloc_or_die_~size 8)) (not (= |zalloc_or_die_#in~size| 8))) (and (= zalloc_or_die_~size 8) (= |zalloc_or_die_#in~size| 8)))]
[2018-02-02 10:57:49,509 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-02 10:57:49,509 INFO  L409      AbstractCegarLoop]: Interpolant automaton has 12 states
[2018-02-02 10:57:49,509 INFO  L132   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2018-02-02 10:57:49,509 INFO  L133   InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132
[2018-02-02 10:57:49,510 INFO  L87              Difference]: Start difference. First operand 259 states and 275 transitions. Second operand 12 states.
[2018-02-02 10:57:50,395 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-02 10:57:50,396 INFO  L93              Difference]: Finished difference Result 322 states and 353 transitions.
[2018-02-02 10:57:50,396 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2018-02-02 10:57:50,396 INFO  L78                 Accepts]: Start accepts. Automaton has 12 states. Word has length 41
[2018-02-02 10:57:50,396 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-02 10:57:50,397 INFO  L225             Difference]: With dead ends: 322
[2018-02-02 10:57:50,397 INFO  L226             Difference]: Without dead ends: 315
[2018-02-02 10:57:50,398 INFO  L554         BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=99, Invalid=453, Unknown=0, NotChecked=0, Total=552
[2018-02-02 10:57:50,398 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 315 states.
[2018-02-02 10:57:50,402 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 260.
[2018-02-02 10:57:50,402 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 260 states.
[2018-02-02 10:57:50,403 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 277 transitions.
[2018-02-02 10:57:50,403 INFO  L78                 Accepts]: Start accepts. Automaton has 260 states and 277 transitions. Word has length 41
[2018-02-02 10:57:50,403 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-02-02 10:57:50,403 INFO  L432      AbstractCegarLoop]: Abstraction has 260 states and 277 transitions.
[2018-02-02 10:57:50,403 INFO  L433      AbstractCegarLoop]: Interpolant automaton has 12 states.
[2018-02-02 10:57:50,403 INFO  L276                IsEmpty]: Start isEmpty. Operand 260 states and 277 transitions.
[2018-02-02 10:57:50,404 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2018-02-02 10:57:50,404 INFO  L343         BasicCegarLoop]: Found error trace
[2018-02-02 10:57:50,404 INFO  L351         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-02 10:57:50,404 INFO  L371      AbstractCegarLoop]: === Iteration 7 === [l3_destroyErr0RequiresViolation, l3_destroyErr3RequiresViolation, l3_destroyErr1RequiresViolation, l3_destroyErr2RequiresViolation, l3_destroyErr4RequiresViolation, l3_destroyErr5RequiresViolation, l0_insertErr3RequiresViolation, l0_insertErr1RequiresViolation, l0_insertErr5RequiresViolation, l0_insertErr2RequiresViolation, l0_insertErr4RequiresViolation, l0_insertErr0RequiresViolation, l4_destroyErr4RequiresViolation, l4_destroyErr6RequiresViolation, l4_destroyErr2RequiresViolation, l4_destroyErr3RequiresViolation, l4_destroyErr1RequiresViolation, l4_destroyErr7RequiresViolation, l4_destroyErr0RequiresViolation, l4_destroyErr5RequiresViolation, l2_insertErr3RequiresViolation, l2_insertErr5RequiresViolation, l2_insertErr0RequiresViolation, l2_insertErr1RequiresViolation, l2_insertErr7RequiresViolation, l2_insertErr4RequiresViolation, l2_insertErr6RequiresViolation, l2_insertErr2RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation, l3_insertErr6RequiresViolation, l3_insertErr4RequiresViolation, l3_insertErr0RequiresViolation, l3_insertErr5RequiresViolation, l3_insertErr3RequiresViolation, l3_insertErr1RequiresViolation, l3_insertErr7RequiresViolation, l3_insertErr2RequiresViolation, l1_insertErr4RequiresViolation, l1_insertErr0RequiresViolation, l1_insertErr6RequiresViolation, l1_insertErr2RequiresViolation, l1_insertErr3RequiresViolation, l1_insertErr1RequiresViolation, l1_insertErr7RequiresViolation, l1_insertErr5RequiresViolation, l0_destroyErr5RequiresViolation, l0_destroyErr3RequiresViolation, l0_destroyErr1RequiresViolation, l0_destroyErr0RequiresViolation, l0_destroyErr4RequiresViolation, l0_destroyErr2RequiresViolation, calloc_modelErr0RequiresViolation, calloc_modelErr1RequiresViolation, l4_insertErr3RequiresViolation, l4_insertErr13RequiresViolation, l4_insertErr6RequiresViolation, l4_insertErr8RequiresViolation, l4_insertErr10RequiresViolation, l4_insertErr1RequiresViolation, l4_insertErr5RequiresViolation, l4_insertErr9RequiresViolation, l4_insertErr12RequiresViolation, l4_insertErr4RequiresViolation, l4_insertErr2RequiresViolation, l4_insertErr0RequiresViolation, l4_insertErr11RequiresViolation, l4_insertErr7RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, l1_destroyErr2RequiresViolation, l1_destroyErr4RequiresViolation, l1_destroyErr0RequiresViolation, l1_destroyErr1RequiresViolation, l1_destroyErr5RequiresViolation, l1_destroyErr3RequiresViolation, l2_destroyErr1RequiresViolation, l2_destroyErr0RequiresViolation, l2_destroyErr2RequiresViolation, l2_destroyErr4RequiresViolation, l2_destroyErr5RequiresViolation, l2_destroyErr3RequiresViolation]===
[2018-02-02 10:57:50,405 INFO  L82        PathProgramCache]: Analyzing trace with hash 528315915, now seen corresponding path program 2 times
No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-02-02 10:57:50,408 INFO  L67    tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy
[2018-02-02 10:57:50,418 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:50,430 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:50,439 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:50,453 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:50,535 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:50,571 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-02 10:57:50,588 INFO  L320   seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2018-02-02 10:57:50,588 INFO  L335   seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13
[2018-02-02 10:57:50,588 INFO  L142   lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state
[2018-02-02 10:57:50,588 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-02 10:57:50,588 INFO  L182   omatonBuilderFactory]: Interpolants [3744#(= 1 |#Ultimate.C_memset_#t~loopctr48|), 3745#(or (and (< 2 |#Ultimate.C_memset_#amount|) (< |#Ultimate.C_memset_#t~loopctr48| |#Ultimate.C_memset_#amount|)) (and (<= |#Ultimate.C_memset_#amount| |#Ultimate.C_memset_#t~loopctr48|) (<= |#Ultimate.C_memset_#amount| 2))), 3746#(<= |#Ultimate.C_memset_#amount| 2), 3715#(and (= |~#list~0.base| |old(~#list~0.base)|) (= |#valid| |old(#valid)|) (= |~#list~0.offset| |old(~#list~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 3716#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 3717#(or (and (not (= zalloc_or_die_~size 8)) (not (= |zalloc_or_die_#in~size| 8))) (and (= zalloc_or_die_~size 8) (= |zalloc_or_die_#in~size| 8))), 3688#true, 3689#false, 3732#(not (= 8 |zalloc_or_die_#in~size|)), 3733#(= (mod (* (mod |calloc_model_#in~nmemb| 4294967296) (mod |calloc_model_#in~size| 4294967296)) 4294967296) (mod (* (mod calloc_model_~nmemb 4294967296) (mod calloc_model_~size 4294967296)) 4294967296)), 3741#(not (= (mod (* (mod |calloc_model_#in~nmemb| 4294967296) (mod |calloc_model_#in~size| 4294967296)) 4294967296) 8)), 3742#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 3743#(= 0 |#Ultimate.C_memset_#t~loopctr48|)]
[2018-02-02 10:57:50,588 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-02 10:57:50,588 INFO  L409      AbstractCegarLoop]: Interpolant automaton has 13 states
[2018-02-02 10:57:50,589 INFO  L132   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2018-02-02 10:57:50,589 INFO  L133   InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156
[2018-02-02 10:57:50,589 INFO  L87              Difference]: Start difference. First operand 260 states and 277 transitions. Second operand 13 states.
[2018-02-02 10:57:51,649 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-02 10:57:51,649 INFO  L93              Difference]: Finished difference Result 325 states and 357 transitions.
[2018-02-02 10:57:51,649 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2018-02-02 10:57:51,650 INFO  L78                 Accepts]: Start accepts. Automaton has 13 states. Word has length 42
[2018-02-02 10:57:51,650 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-02 10:57:51,651 INFO  L225             Difference]: With dead ends: 325
[2018-02-02 10:57:51,651 INFO  L226             Difference]: Without dead ends: 318
[2018-02-02 10:57:51,652 INFO  L554         BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=107, Invalid=543, Unknown=0, NotChecked=0, Total=650
[2018-02-02 10:57:51,652 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 318 states.
[2018-02-02 10:57:51,660 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 261.
[2018-02-02 10:57:51,660 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 261 states.
[2018-02-02 10:57:51,661 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 279 transitions.
[2018-02-02 10:57:51,661 INFO  L78                 Accepts]: Start accepts. Automaton has 261 states and 279 transitions. Word has length 42
[2018-02-02 10:57:51,661 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-02-02 10:57:51,661 INFO  L432      AbstractCegarLoop]: Abstraction has 261 states and 279 transitions.
[2018-02-02 10:57:51,662 INFO  L433      AbstractCegarLoop]: Interpolant automaton has 13 states.
[2018-02-02 10:57:51,662 INFO  L276                IsEmpty]: Start isEmpty. Operand 261 states and 279 transitions.
[2018-02-02 10:57:51,662 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2018-02-02 10:57:51,662 INFO  L343         BasicCegarLoop]: Found error trace
[2018-02-02 10:57:51,665 INFO  L351         BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-02 10:57:51,665 INFO  L371      AbstractCegarLoop]: === Iteration 8 === [l3_destroyErr0RequiresViolation, l3_destroyErr3RequiresViolation, l3_destroyErr1RequiresViolation, l3_destroyErr2RequiresViolation, l3_destroyErr4RequiresViolation, l3_destroyErr5RequiresViolation, l0_insertErr3RequiresViolation, l0_insertErr1RequiresViolation, l0_insertErr5RequiresViolation, l0_insertErr2RequiresViolation, l0_insertErr4RequiresViolation, l0_insertErr0RequiresViolation, l4_destroyErr4RequiresViolation, l4_destroyErr6RequiresViolation, l4_destroyErr2RequiresViolation, l4_destroyErr3RequiresViolation, l4_destroyErr1RequiresViolation, l4_destroyErr7RequiresViolation, l4_destroyErr0RequiresViolation, l4_destroyErr5RequiresViolation, l2_insertErr3RequiresViolation, l2_insertErr5RequiresViolation, l2_insertErr0RequiresViolation, l2_insertErr1RequiresViolation, l2_insertErr7RequiresViolation, l2_insertErr4RequiresViolation, l2_insertErr6RequiresViolation, l2_insertErr2RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation, l3_insertErr6RequiresViolation, l3_insertErr4RequiresViolation, l3_insertErr0RequiresViolation, l3_insertErr5RequiresViolation, l3_insertErr3RequiresViolation, l3_insertErr1RequiresViolation, l3_insertErr7RequiresViolation, l3_insertErr2RequiresViolation, l1_insertErr4RequiresViolation, l1_insertErr0RequiresViolation, l1_insertErr6RequiresViolation, l1_insertErr2RequiresViolation, l1_insertErr3RequiresViolation, l1_insertErr1RequiresViolation, l1_insertErr7RequiresViolation, l1_insertErr5RequiresViolation, l0_destroyErr5RequiresViolation, l0_destroyErr3RequiresViolation, l0_destroyErr1RequiresViolation, l0_destroyErr0RequiresViolation, l0_destroyErr4RequiresViolation, l0_destroyErr2RequiresViolation, calloc_modelErr0RequiresViolation, calloc_modelErr1RequiresViolation, l4_insertErr3RequiresViolation, l4_insertErr13RequiresViolation, l4_insertErr6RequiresViolation, l4_insertErr8RequiresViolation, l4_insertErr10RequiresViolation, l4_insertErr1RequiresViolation, l4_insertErr5RequiresViolation, l4_insertErr9RequiresViolation, l4_insertErr12RequiresViolation, l4_insertErr4RequiresViolation, l4_insertErr2RequiresViolation, l4_insertErr0RequiresViolation, l4_insertErr11RequiresViolation, l4_insertErr7RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, l1_destroyErr2RequiresViolation, l1_destroyErr4RequiresViolation, l1_destroyErr0RequiresViolation, l1_destroyErr1RequiresViolation, l1_destroyErr5RequiresViolation, l1_destroyErr3RequiresViolation, l2_destroyErr1RequiresViolation, l2_destroyErr0RequiresViolation, l2_destroyErr2RequiresViolation, l2_destroyErr4RequiresViolation, l2_destroyErr5RequiresViolation, l2_destroyErr3RequiresViolation]===
[2018-02-02 10:57:51,666 INFO  L82        PathProgramCache]: Analyzing trace with hash 198998884, now seen corresponding path program 3 times
No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-02-02 10:57:51,669 INFO  L67    tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy
[2018-02-02 10:57:51,685 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:51,699 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:51,711 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:51,726 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:51,809 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:51,851 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-02 10:57:51,878 INFO  L320   seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2018-02-02 10:57:51,879 INFO  L335   seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14
[2018-02-02 10:57:51,879 INFO  L142   lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state
[2018-02-02 10:57:51,879 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-02 10:57:51,879 INFO  L182   omatonBuilderFactory]: Interpolants [4416#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 4417#(= 0 |#Ultimate.C_memset_#t~loopctr48|), 4418#(= 1 |#Ultimate.C_memset_#t~loopctr48|), 4387#(and (= |~#list~0.base| |old(~#list~0.base)|) (= |#valid| |old(#valid)|) (= |~#list~0.offset| |old(~#list~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 4419#(<= |#Ultimate.C_memset_#t~loopctr48| 2), 4388#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 4420#(<= |#Ultimate.C_memset_#t~loopctr48| 3), 4389#(or (and (not (= zalloc_or_die_~size 8)) (not (= |zalloc_or_die_#in~size| 8))) (and (= zalloc_or_die_~size 8) (= |zalloc_or_die_#in~size| 8))), 4421#(not (= 8 |#Ultimate.C_memset_#amount|)), 4359#true, 4360#false, 4405#(not (= 8 |zalloc_or_die_#in~size|)), 4406#(= (mod (* (mod |calloc_model_#in~nmemb| 4294967296) (mod |calloc_model_#in~size| 4294967296)) 4294967296) (mod (* (mod calloc_model_~nmemb 4294967296) (mod calloc_model_~size 4294967296)) 4294967296)), 4415#(not (= (mod (* (mod |calloc_model_#in~nmemb| 4294967296) (mod |calloc_model_#in~size| 4294967296)) 4294967296) 8))]
[2018-02-02 10:57:51,880 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-02 10:57:51,880 INFO  L409      AbstractCegarLoop]: Interpolant automaton has 14 states
[2018-02-02 10:57:51,880 INFO  L132   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2018-02-02 10:57:51,880 INFO  L133   InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182
[2018-02-02 10:57:51,881 INFO  L87              Difference]: Start difference. First operand 261 states and 279 transitions. Second operand 14 states.
[2018-02-02 10:57:52,855 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-02 10:57:52,855 INFO  L93              Difference]: Finished difference Result 328 states and 361 transitions.
[2018-02-02 10:57:52,856 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2018-02-02 10:57:52,856 INFO  L78                 Accepts]: Start accepts. Automaton has 14 states. Word has length 43
[2018-02-02 10:57:52,857 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-02 10:57:52,858 INFO  L225             Difference]: With dead ends: 328
[2018-02-02 10:57:52,858 INFO  L226             Difference]: Without dead ends: 321
[2018-02-02 10:57:52,859 INFO  L554         BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=126, Invalid=630, Unknown=0, NotChecked=0, Total=756
[2018-02-02 10:57:52,859 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 321 states.
[2018-02-02 10:57:52,867 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 262.
[2018-02-02 10:57:52,867 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 262 states.
[2018-02-02 10:57:52,868 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 281 transitions.
[2018-02-02 10:57:52,868 INFO  L78                 Accepts]: Start accepts. Automaton has 262 states and 281 transitions. Word has length 43
[2018-02-02 10:57:52,868 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-02-02 10:57:52,868 INFO  L432      AbstractCegarLoop]: Abstraction has 262 states and 281 transitions.
[2018-02-02 10:57:52,868 INFO  L433      AbstractCegarLoop]: Interpolant automaton has 14 states.
[2018-02-02 10:57:52,869 INFO  L276                IsEmpty]: Start isEmpty. Operand 262 states and 281 transitions.
[2018-02-02 10:57:52,869 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 45
[2018-02-02 10:57:52,869 INFO  L343         BasicCegarLoop]: Found error trace
[2018-02-02 10:57:52,869 INFO  L351         BasicCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-02 10:57:52,869 INFO  L371      AbstractCegarLoop]: === Iteration 9 === [l3_destroyErr0RequiresViolation, l3_destroyErr3RequiresViolation, l3_destroyErr1RequiresViolation, l3_destroyErr2RequiresViolation, l3_destroyErr4RequiresViolation, l3_destroyErr5RequiresViolation, l0_insertErr3RequiresViolation, l0_insertErr1RequiresViolation, l0_insertErr5RequiresViolation, l0_insertErr2RequiresViolation, l0_insertErr4RequiresViolation, l0_insertErr0RequiresViolation, l4_destroyErr4RequiresViolation, l4_destroyErr6RequiresViolation, l4_destroyErr2RequiresViolation, l4_destroyErr3RequiresViolation, l4_destroyErr1RequiresViolation, l4_destroyErr7RequiresViolation, l4_destroyErr0RequiresViolation, l4_destroyErr5RequiresViolation, l2_insertErr3RequiresViolation, l2_insertErr5RequiresViolation, l2_insertErr0RequiresViolation, l2_insertErr1RequiresViolation, l2_insertErr7RequiresViolation, l2_insertErr4RequiresViolation, l2_insertErr6RequiresViolation, l2_insertErr2RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation, l3_insertErr6RequiresViolation, l3_insertErr4RequiresViolation, l3_insertErr0RequiresViolation, l3_insertErr5RequiresViolation, l3_insertErr3RequiresViolation, l3_insertErr1RequiresViolation, l3_insertErr7RequiresViolation, l3_insertErr2RequiresViolation, l1_insertErr4RequiresViolation, l1_insertErr0RequiresViolation, l1_insertErr6RequiresViolation, l1_insertErr2RequiresViolation, l1_insertErr3RequiresViolation, l1_insertErr1RequiresViolation, l1_insertErr7RequiresViolation, l1_insertErr5RequiresViolation, l0_destroyErr5RequiresViolation, l0_destroyErr3RequiresViolation, l0_destroyErr1RequiresViolation, l0_destroyErr0RequiresViolation, l0_destroyErr4RequiresViolation, l0_destroyErr2RequiresViolation, calloc_modelErr0RequiresViolation, calloc_modelErr1RequiresViolation, l4_insertErr3RequiresViolation, l4_insertErr13RequiresViolation, l4_insertErr6RequiresViolation, l4_insertErr8RequiresViolation, l4_insertErr10RequiresViolation, l4_insertErr1RequiresViolation, l4_insertErr5RequiresViolation, l4_insertErr9RequiresViolation, l4_insertErr12RequiresViolation, l4_insertErr4RequiresViolation, l4_insertErr2RequiresViolation, l4_insertErr0RequiresViolation, l4_insertErr11RequiresViolation, l4_insertErr7RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, l1_destroyErr2RequiresViolation, l1_destroyErr4RequiresViolation, l1_destroyErr0RequiresViolation, l1_destroyErr1RequiresViolation, l1_destroyErr5RequiresViolation, l1_destroyErr3RequiresViolation, l2_destroyErr1RequiresViolation, l2_destroyErr0RequiresViolation, l2_destroyErr2RequiresViolation, l2_destroyErr4RequiresViolation, l2_destroyErr5RequiresViolation, l2_destroyErr3RequiresViolation]===
[2018-02-02 10:57:52,869 INFO  L82        PathProgramCache]: Analyzing trace with hash -1419894485, now seen corresponding path program 4 times
No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-02-02 10:57:52,872 INFO  L67    tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy
[2018-02-02 10:57:52,883 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:52,894 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:52,903 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:52,920 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:53,017 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:53,069 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-02 10:57:53,087 INFO  L320   seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2018-02-02 10:57:53,087 INFO  L335   seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15
[2018-02-02 10:57:53,087 INFO  L142   lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state
[2018-02-02 10:57:53,087 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-02 10:57:53,087 INFO  L182   omatonBuilderFactory]: Interpolants [5088#(not (= 8 |zalloc_or_die_#in~size|)), 5089#(= (mod (* (mod |calloc_model_#in~nmemb| 4294967296) (mod |calloc_model_#in~size| 4294967296)) 4294967296) (mod (* (mod calloc_model_~nmemb 4294967296) (mod calloc_model_~size 4294967296)) 4294967296)), 5099#(not (= (mod (* (mod |calloc_model_#in~nmemb| 4294967296) (mod |calloc_model_#in~size| 4294967296)) 4294967296) 8)), 5100#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 5069#(and (= |~#list~0.base| |old(~#list~0.base)|) (= |#valid| |old(#valid)|) (= |~#list~0.offset| |old(~#list~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 5101#(= 0 |#Ultimate.C_memset_#t~loopctr48|), 5070#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 5102#(= 1 |#Ultimate.C_memset_#t~loopctr48|), 5071#(or (and (not (= zalloc_or_die_~size 8)) (not (= |zalloc_or_die_#in~size| 8))) (and (= zalloc_or_die_~size 8) (= |zalloc_or_die_#in~size| 8))), 5103#(<= |#Ultimate.C_memset_#t~loopctr48| 2), 5040#true, 5104#(<= |#Ultimate.C_memset_#t~loopctr48| 3), 5041#false, 5105#(<= |#Ultimate.C_memset_#t~loopctr48| 4), 5106#(not (= 8 |#Ultimate.C_memset_#amount|))]
[2018-02-02 10:57:53,087 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-02 10:57:53,088 INFO  L409      AbstractCegarLoop]: Interpolant automaton has 15 states
[2018-02-02 10:57:53,088 INFO  L132   InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2018-02-02 10:57:53,088 INFO  L133   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210
[2018-02-02 10:57:53,088 INFO  L87              Difference]: Start difference. First operand 262 states and 281 transitions. Second operand 15 states.
[2018-02-02 10:57:54,035 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-02 10:57:54,035 INFO  L93              Difference]: Finished difference Result 331 states and 365 transitions.
[2018-02-02 10:57:54,035 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. 
[2018-02-02 10:57:54,035 INFO  L78                 Accepts]: Start accepts. Automaton has 15 states. Word has length 44
[2018-02-02 10:57:54,036 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-02 10:57:54,037 INFO  L225             Difference]: With dead ends: 331
[2018-02-02 10:57:54,037 INFO  L226             Difference]: Without dead ends: 324
[2018-02-02 10:57:54,038 INFO  L554         BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=145, Invalid=725, Unknown=0, NotChecked=0, Total=870
[2018-02-02 10:57:54,038 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 324 states.
[2018-02-02 10:57:54,042 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 263.
[2018-02-02 10:57:54,042 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 263 states.
[2018-02-02 10:57:54,044 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 283 transitions.
[2018-02-02 10:57:54,044 INFO  L78                 Accepts]: Start accepts. Automaton has 263 states and 283 transitions. Word has length 44
[2018-02-02 10:57:54,044 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-02-02 10:57:54,044 INFO  L432      AbstractCegarLoop]: Abstraction has 263 states and 283 transitions.
[2018-02-02 10:57:54,044 INFO  L433      AbstractCegarLoop]: Interpolant automaton has 15 states.
[2018-02-02 10:57:54,044 INFO  L276                IsEmpty]: Start isEmpty. Operand 263 states and 283 transitions.
[2018-02-02 10:57:54,045 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 46
[2018-02-02 10:57:54,045 INFO  L343         BasicCegarLoop]: Found error trace
[2018-02-02 10:57:54,045 INFO  L351         BasicCegarLoop]: trace histogram [5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-02 10:57:54,045 INFO  L371      AbstractCegarLoop]: === Iteration 10 === [l3_destroyErr0RequiresViolation, l3_destroyErr3RequiresViolation, l3_destroyErr1RequiresViolation, l3_destroyErr2RequiresViolation, l3_destroyErr4RequiresViolation, l3_destroyErr5RequiresViolation, l0_insertErr3RequiresViolation, l0_insertErr1RequiresViolation, l0_insertErr5RequiresViolation, l0_insertErr2RequiresViolation, l0_insertErr4RequiresViolation, l0_insertErr0RequiresViolation, l4_destroyErr4RequiresViolation, l4_destroyErr6RequiresViolation, l4_destroyErr2RequiresViolation, l4_destroyErr3RequiresViolation, l4_destroyErr1RequiresViolation, l4_destroyErr7RequiresViolation, l4_destroyErr0RequiresViolation, l4_destroyErr5RequiresViolation, l2_insertErr3RequiresViolation, l2_insertErr5RequiresViolation, l2_insertErr0RequiresViolation, l2_insertErr1RequiresViolation, l2_insertErr7RequiresViolation, l2_insertErr4RequiresViolation, l2_insertErr6RequiresViolation, l2_insertErr2RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation, l3_insertErr6RequiresViolation, l3_insertErr4RequiresViolation, l3_insertErr0RequiresViolation, l3_insertErr5RequiresViolation, l3_insertErr3RequiresViolation, l3_insertErr1RequiresViolation, l3_insertErr7RequiresViolation, l3_insertErr2RequiresViolation, l1_insertErr4RequiresViolation, l1_insertErr0RequiresViolation, l1_insertErr6RequiresViolation, l1_insertErr2RequiresViolation, l1_insertErr3RequiresViolation, l1_insertErr1RequiresViolation, l1_insertErr7RequiresViolation, l1_insertErr5RequiresViolation, l0_destroyErr5RequiresViolation, l0_destroyErr3RequiresViolation, l0_destroyErr1RequiresViolation, l0_destroyErr0RequiresViolation, l0_destroyErr4RequiresViolation, l0_destroyErr2RequiresViolation, calloc_modelErr0RequiresViolation, calloc_modelErr1RequiresViolation, l4_insertErr3RequiresViolation, l4_insertErr13RequiresViolation, l4_insertErr6RequiresViolation, l4_insertErr8RequiresViolation, l4_insertErr10RequiresViolation, l4_insertErr1RequiresViolation, l4_insertErr5RequiresViolation, l4_insertErr9RequiresViolation, l4_insertErr12RequiresViolation, l4_insertErr4RequiresViolation, l4_insertErr2RequiresViolation, l4_insertErr0RequiresViolation, l4_insertErr11RequiresViolation, l4_insertErr7RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, l1_destroyErr2RequiresViolation, l1_destroyErr4RequiresViolation, l1_destroyErr0RequiresViolation, l1_destroyErr1RequiresViolation, l1_destroyErr5RequiresViolation, l1_destroyErr3RequiresViolation, l2_destroyErr1RequiresViolation, l2_destroyErr0RequiresViolation, l2_destroyErr2RequiresViolation, l2_destroyErr4RequiresViolation, l2_destroyErr5RequiresViolation, l2_destroyErr3RequiresViolation]===
[2018-02-02 10:57:54,045 INFO  L82        PathProgramCache]: Analyzing trace with hash -65981372, now seen corresponding path program 5 times
No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-02-02 10:57:54,048 INFO  L67    tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy
[2018-02-02 10:57:54,062 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:54,076 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:54,089 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:54,106 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:54,187 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:54,246 INFO  L134       CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-02 10:57:54,262 INFO  L320   seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2018-02-02 10:57:54,262 INFO  L335   seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16
[2018-02-02 10:57:54,262 INFO  L142   lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state
[2018-02-02 10:57:54,262 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-02 10:57:54,262 INFO  L182   omatonBuilderFactory]: Interpolants [5761#(and (= |~#list~0.base| |old(~#list~0.base)|) (= |#valid| |old(#valid)|) (= |~#list~0.offset| |old(~#list~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 5793#(not (= (mod (* (mod |calloc_model_#in~nmemb| 4294967296) (mod |calloc_model_#in~size| 4294967296)) 4294967296) 8)), 5762#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 5794#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 5731#true, 5763#(or (and (not (= zalloc_or_die_~size 8)) (not (= |zalloc_or_die_#in~size| 8))) (and (= zalloc_or_die_~size 8) (= |zalloc_or_die_#in~size| 8))), 5795#(= 0 |#Ultimate.C_memset_#t~loopctr48|), 5732#false, 5796#(= 1 |#Ultimate.C_memset_#t~loopctr48|), 5797#(= |#Ultimate.C_memset_#t~loopctr48| 2), 5798#(<= |#Ultimate.C_memset_#t~loopctr48| 3), 5799#(<= |#Ultimate.C_memset_#t~loopctr48| 4), 5800#(<= |#Ultimate.C_memset_#t~loopctr48| 5), 5801#(not (= 8 |#Ultimate.C_memset_#amount|)), 5781#(not (= 8 |zalloc_or_die_#in~size|)), 5782#(= (mod (* (mod |calloc_model_#in~nmemb| 4294967296) (mod |calloc_model_#in~size| 4294967296)) 4294967296) (mod (* (mod calloc_model_~nmemb 4294967296) (mod calloc_model_~size 4294967296)) 4294967296))]
[2018-02-02 10:57:54,262 INFO  L134       CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-02 10:57:54,263 INFO  L409      AbstractCegarLoop]: Interpolant automaton has 16 states
[2018-02-02 10:57:54,263 INFO  L132   InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2018-02-02 10:57:54,263 INFO  L133   InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240
[2018-02-02 10:57:54,263 INFO  L87              Difference]: Start difference. First operand 263 states and 283 transitions. Second operand 16 states.
[2018-02-02 10:57:55,393 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-02 10:57:55,393 INFO  L93              Difference]: Finished difference Result 334 states and 369 transitions.
[2018-02-02 10:57:55,393 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2018-02-02 10:57:55,393 INFO  L78                 Accepts]: Start accepts. Automaton has 16 states. Word has length 45
[2018-02-02 10:57:55,394 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-02 10:57:55,395 INFO  L225             Difference]: With dead ends: 334
[2018-02-02 10:57:55,395 INFO  L226             Difference]: Without dead ends: 327
[2018-02-02 10:57:55,396 INFO  L554         BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=160, Invalid=832, Unknown=0, NotChecked=0, Total=992
[2018-02-02 10:57:55,396 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 327 states.
[2018-02-02 10:57:55,401 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 264.
[2018-02-02 10:57:55,401 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 264 states.
[2018-02-02 10:57:55,401 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 285 transitions.
[2018-02-02 10:57:55,401 INFO  L78                 Accepts]: Start accepts. Automaton has 264 states and 285 transitions. Word has length 45
[2018-02-02 10:57:55,402 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-02-02 10:57:55,402 INFO  L432      AbstractCegarLoop]: Abstraction has 264 states and 285 transitions.
[2018-02-02 10:57:55,402 INFO  L433      AbstractCegarLoop]: Interpolant automaton has 16 states.
[2018-02-02 10:57:55,402 INFO  L276                IsEmpty]: Start isEmpty. Operand 264 states and 285 transitions.
[2018-02-02 10:57:55,402 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 47
[2018-02-02 10:57:55,402 INFO  L343         BasicCegarLoop]: Found error trace
[2018-02-02 10:57:55,402 INFO  L351         BasicCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-02 10:57:55,403 INFO  L371      AbstractCegarLoop]: === Iteration 11 === [l3_destroyErr0RequiresViolation, l3_destroyErr3RequiresViolation, l3_destroyErr1RequiresViolation, l3_destroyErr2RequiresViolation, l3_destroyErr4RequiresViolation, l3_destroyErr5RequiresViolation, l0_insertErr3RequiresViolation, l0_insertErr1RequiresViolation, l0_insertErr5RequiresViolation, l0_insertErr2RequiresViolation, l0_insertErr4RequiresViolation, l0_insertErr0RequiresViolation, l4_destroyErr4RequiresViolation, l4_destroyErr6RequiresViolation, l4_destroyErr2RequiresViolation, l4_destroyErr3RequiresViolation, l4_destroyErr1RequiresViolation, l4_destroyErr7RequiresViolation, l4_destroyErr0RequiresViolation, l4_destroyErr5RequiresViolation, l2_insertErr3RequiresViolation, l2_insertErr5RequiresViolation, l2_insertErr0RequiresViolation, l2_insertErr1RequiresViolation, l2_insertErr7RequiresViolation, l2_insertErr4RequiresViolation, l2_insertErr6RequiresViolation, l2_insertErr2RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation, l3_insertErr6RequiresViolation, l3_insertErr4RequiresViolation, l3_insertErr0RequiresViolation, l3_insertErr5RequiresViolation, l3_insertErr3RequiresViolation, l3_insertErr1RequiresViolation, l3_insertErr7RequiresViolation, l3_insertErr2RequiresViolation, l1_insertErr4RequiresViolation, l1_insertErr0RequiresViolation, l1_insertErr6RequiresViolation, l1_insertErr2RequiresViolation, l1_insertErr3RequiresViolation, l1_insertErr1RequiresViolation, l1_insertErr7RequiresViolation, l1_insertErr5RequiresViolation, l0_destroyErr5RequiresViolation, l0_destroyErr3RequiresViolation, l0_destroyErr1RequiresViolation, l0_destroyErr0RequiresViolation, l0_destroyErr4RequiresViolation, l0_destroyErr2RequiresViolation, calloc_modelErr0RequiresViolation, calloc_modelErr1RequiresViolation, l4_insertErr3RequiresViolation, l4_insertErr13RequiresViolation, l4_insertErr6RequiresViolation, l4_insertErr8RequiresViolation, l4_insertErr10RequiresViolation, l4_insertErr1RequiresViolation, l4_insertErr5RequiresViolation, l4_insertErr9RequiresViolation, l4_insertErr12RequiresViolation, l4_insertErr4RequiresViolation, l4_insertErr2RequiresViolation, l4_insertErr0RequiresViolation, l4_insertErr11RequiresViolation, l4_insertErr7RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, l1_destroyErr2RequiresViolation, l1_destroyErr4RequiresViolation, l1_destroyErr0RequiresViolation, l1_destroyErr1RequiresViolation, l1_destroyErr5RequiresViolation, l1_destroyErr3RequiresViolation, l2_destroyErr1RequiresViolation, l2_destroyErr0RequiresViolation, l2_destroyErr2RequiresViolation, l2_destroyErr4RequiresViolation, l2_destroyErr5RequiresViolation, l2_destroyErr3RequiresViolation]===
[2018-02-02 10:57:55,403 INFO  L82        PathProgramCache]: Analyzing trace with hash -1044347829, now seen corresponding path program 6 times
No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-02-02 10:57:55,408 INFO  L67    tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy
[2018-02-02 10:57:55,421 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:55,434 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:55,444 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:55,461 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:55,547 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:55,605 INFO  L134       CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-02 10:57:55,621 INFO  L320   seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2018-02-02 10:57:55,621 INFO  L335   seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17
[2018-02-02 10:57:55,621 INFO  L142   lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state
[2018-02-02 10:57:55,622 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-02 10:57:55,622 INFO  L182   omatonBuilderFactory]: Interpolants [6432#true, 6464#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 6433#false, 6465#(or (and (not (= zalloc_or_die_~size 8)) (not (= |zalloc_or_die_#in~size| 8))) (and (= zalloc_or_die_~size 8) (= |zalloc_or_die_#in~size| 8))), 6497#(not (= (mod (* (mod |calloc_model_#in~nmemb| 4294967296) (mod |calloc_model_#in~size| 4294967296)) 4294967296) 8)), 6498#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 6499#(= 0 |#Ultimate.C_memset_#t~loopctr48|), 6500#(= 1 |#Ultimate.C_memset_#t~loopctr48|), 6501#(= |#Ultimate.C_memset_#t~loopctr48| 2), 6502#(= |#Ultimate.C_memset_#t~loopctr48| 3), 6503#(<= |#Ultimate.C_memset_#t~loopctr48| 4), 6504#(<= |#Ultimate.C_memset_#t~loopctr48| 5), 6505#(<= |#Ultimate.C_memset_#t~loopctr48| 6), 6506#(not (= 8 |#Ultimate.C_memset_#amount|)), 6484#(not (= 8 |zalloc_or_die_#in~size|)), 6485#(= (mod (* (mod |calloc_model_#in~nmemb| 4294967296) (mod |calloc_model_#in~size| 4294967296)) 4294967296) (mod (* (mod calloc_model_~nmemb 4294967296) (mod calloc_model_~size 4294967296)) 4294967296)), 6463#(and (= |~#list~0.base| |old(~#list~0.base)|) (= |#valid| |old(#valid)|) (= |~#list~0.offset| |old(~#list~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))]
[2018-02-02 10:57:55,622 INFO  L134       CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-02 10:57:55,622 INFO  L409      AbstractCegarLoop]: Interpolant automaton has 17 states
[2018-02-02 10:57:55,622 INFO  L132   InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants.
[2018-02-02 10:57:55,622 INFO  L133   InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272
[2018-02-02 10:57:55,622 INFO  L87              Difference]: Start difference. First operand 264 states and 285 transitions. Second operand 17 states.
[2018-02-02 10:57:56,816 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-02 10:57:56,816 INFO  L93              Difference]: Finished difference Result 337 states and 373 transitions.
[2018-02-02 10:57:56,816 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2018-02-02 10:57:56,816 INFO  L78                 Accepts]: Start accepts. Automaton has 17 states. Word has length 46
[2018-02-02 10:57:56,816 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-02 10:57:56,817 INFO  L225             Difference]: With dead ends: 337
[2018-02-02 10:57:56,817 INFO  L226             Difference]: Without dead ends: 330
[2018-02-02 10:57:56,818 INFO  L554         BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=175, Invalid=947, Unknown=0, NotChecked=0, Total=1122
[2018-02-02 10:57:56,818 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 330 states.
[2018-02-02 10:57:56,822 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 265.
[2018-02-02 10:57:56,822 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 265 states.
[2018-02-02 10:57:56,823 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 287 transitions.
[2018-02-02 10:57:56,823 INFO  L78                 Accepts]: Start accepts. Automaton has 265 states and 287 transitions. Word has length 46
[2018-02-02 10:57:56,823 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-02-02 10:57:56,823 INFO  L432      AbstractCegarLoop]: Abstraction has 265 states and 287 transitions.
[2018-02-02 10:57:56,823 INFO  L433      AbstractCegarLoop]: Interpolant automaton has 17 states.
[2018-02-02 10:57:56,823 INFO  L276                IsEmpty]: Start isEmpty. Operand 265 states and 287 transitions.
[2018-02-02 10:57:56,824 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2018-02-02 10:57:56,824 INFO  L343         BasicCegarLoop]: Found error trace
[2018-02-02 10:57:56,824 INFO  L351         BasicCegarLoop]: trace histogram [7, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-02 10:57:56,824 INFO  L371      AbstractCegarLoop]: === Iteration 12 === [l3_destroyErr0RequiresViolation, l3_destroyErr3RequiresViolation, l3_destroyErr1RequiresViolation, l3_destroyErr2RequiresViolation, l3_destroyErr4RequiresViolation, l3_destroyErr5RequiresViolation, l0_insertErr3RequiresViolation, l0_insertErr1RequiresViolation, l0_insertErr5RequiresViolation, l0_insertErr2RequiresViolation, l0_insertErr4RequiresViolation, l0_insertErr0RequiresViolation, l4_destroyErr4RequiresViolation, l4_destroyErr6RequiresViolation, l4_destroyErr2RequiresViolation, l4_destroyErr3RequiresViolation, l4_destroyErr1RequiresViolation, l4_destroyErr7RequiresViolation, l4_destroyErr0RequiresViolation, l4_destroyErr5RequiresViolation, l2_insertErr3RequiresViolation, l2_insertErr5RequiresViolation, l2_insertErr0RequiresViolation, l2_insertErr1RequiresViolation, l2_insertErr7RequiresViolation, l2_insertErr4RequiresViolation, l2_insertErr6RequiresViolation, l2_insertErr2RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation, l3_insertErr6RequiresViolation, l3_insertErr4RequiresViolation, l3_insertErr0RequiresViolation, l3_insertErr5RequiresViolation, l3_insertErr3RequiresViolation, l3_insertErr1RequiresViolation, l3_insertErr7RequiresViolation, l3_insertErr2RequiresViolation, l1_insertErr4RequiresViolation, l1_insertErr0RequiresViolation, l1_insertErr6RequiresViolation, l1_insertErr2RequiresViolation, l1_insertErr3RequiresViolation, l1_insertErr1RequiresViolation, l1_insertErr7RequiresViolation, l1_insertErr5RequiresViolation, l0_destroyErr5RequiresViolation, l0_destroyErr3RequiresViolation, l0_destroyErr1RequiresViolation, l0_destroyErr0RequiresViolation, l0_destroyErr4RequiresViolation, l0_destroyErr2RequiresViolation, calloc_modelErr0RequiresViolation, calloc_modelErr1RequiresViolation, l4_insertErr3RequiresViolation, l4_insertErr13RequiresViolation, l4_insertErr6RequiresViolation, l4_insertErr8RequiresViolation, l4_insertErr10RequiresViolation, l4_insertErr1RequiresViolation, l4_insertErr5RequiresViolation, l4_insertErr9RequiresViolation, l4_insertErr12RequiresViolation, l4_insertErr4RequiresViolation, l4_insertErr2RequiresViolation, l4_insertErr0RequiresViolation, l4_insertErr11RequiresViolation, l4_insertErr7RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, l1_destroyErr2RequiresViolation, l1_destroyErr4RequiresViolation, l1_destroyErr0RequiresViolation, l1_destroyErr1RequiresViolation, l1_destroyErr5RequiresViolation, l1_destroyErr3RequiresViolation, l2_destroyErr1RequiresViolation, l2_destroyErr0RequiresViolation, l2_destroyErr2RequiresViolation, l2_destroyErr4RequiresViolation, l2_destroyErr5RequiresViolation, l2_destroyErr3RequiresViolation]===
[2018-02-02 10:57:56,824 INFO  L82        PathProgramCache]: Analyzing trace with hash -1308936924, now seen corresponding path program 7 times
No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-02-02 10:57:56,827 INFO  L67    tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy
[2018-02-02 10:57:56,841 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:56,854 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:56,865 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:56,882 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:56,971 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:57,037 INFO  L134       CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-02 10:57:57,052 INFO  L320   seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2018-02-02 10:57:57,052 INFO  L335   seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18
[2018-02-02 10:57:57,053 INFO  L142   lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state
[2018-02-02 10:57:57,053 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-02 10:57:57,053 INFO  L182   omatonBuilderFactory]: Interpolants [7143#true, 7175#(and (= |~#list~0.base| |old(~#list~0.base)|) (= |#valid| |old(#valid)|) (= |~#list~0.offset| |old(~#list~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 7144#false, 7176#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 7177#(or (and (not (= zalloc_or_die_~size 8)) (not (= |zalloc_or_die_#in~size| 8))) (and (= zalloc_or_die_~size 8) (= |zalloc_or_die_#in~size| 8))), 7211#(not (= (mod (* (mod |calloc_model_#in~nmemb| 4294967296) (mod |calloc_model_#in~size| 4294967296)) 4294967296) 8)), 7212#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 7213#(= 0 |#Ultimate.C_memset_#t~loopctr48|), 7214#(<= |#Ultimate.C_memset_#t~loopctr48| 1), 7215#(<= |#Ultimate.C_memset_#t~loopctr48| 2), 7216#(<= |#Ultimate.C_memset_#t~loopctr48| 3), 7217#(<= |#Ultimate.C_memset_#t~loopctr48| 4), 7218#(<= |#Ultimate.C_memset_#t~loopctr48| 5), 7219#(<= |#Ultimate.C_memset_#t~loopctr48| 6), 7220#(<= |#Ultimate.C_memset_#t~loopctr48| 7), 7221#(not (= 8 |#Ultimate.C_memset_#amount|)), 7197#(not (= 8 |zalloc_or_die_#in~size|)), 7198#(= (mod (* (mod |calloc_model_#in~nmemb| 4294967296) (mod |calloc_model_#in~size| 4294967296)) 4294967296) (mod (* (mod calloc_model_~nmemb 4294967296) (mod calloc_model_~size 4294967296)) 4294967296))]
[2018-02-02 10:57:57,053 INFO  L134       CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-02 10:57:57,053 INFO  L409      AbstractCegarLoop]: Interpolant automaton has 18 states
[2018-02-02 10:57:57,053 INFO  L132   InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants.
[2018-02-02 10:57:57,053 INFO  L133   InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306
[2018-02-02 10:57:57,054 INFO  L87              Difference]: Start difference. First operand 265 states and 287 transitions. Second operand 18 states.
[2018-02-02 10:57:58,252 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-02 10:57:58,252 INFO  L93              Difference]: Finished difference Result 340 states and 377 transitions.
[2018-02-02 10:57:58,253 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. 
[2018-02-02 10:57:58,253 INFO  L78                 Accepts]: Start accepts. Automaton has 18 states. Word has length 47
[2018-02-02 10:57:58,253 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-02 10:57:58,254 INFO  L225             Difference]: With dead ends: 340
[2018-02-02 10:57:58,254 INFO  L226             Difference]: Without dead ends: 333
[2018-02-02 10:57:58,255 INFO  L554         BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=224, Invalid=1036, Unknown=0, NotChecked=0, Total=1260
[2018-02-02 10:57:58,255 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 333 states.
[2018-02-02 10:57:58,259 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 266.
[2018-02-02 10:57:58,259 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 266 states.
[2018-02-02 10:57:58,260 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 289 transitions.
[2018-02-02 10:57:58,260 INFO  L78                 Accepts]: Start accepts. Automaton has 266 states and 289 transitions. Word has length 47
[2018-02-02 10:57:58,260 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-02-02 10:57:58,260 INFO  L432      AbstractCegarLoop]: Abstraction has 266 states and 289 transitions.
[2018-02-02 10:57:58,260 INFO  L433      AbstractCegarLoop]: Interpolant automaton has 18 states.
[2018-02-02 10:57:58,260 INFO  L276                IsEmpty]: Start isEmpty. Operand 266 states and 289 transitions.
[2018-02-02 10:57:58,261 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 49
[2018-02-02 10:57:58,261 INFO  L343         BasicCegarLoop]: Found error trace
[2018-02-02 10:57:58,261 INFO  L351         BasicCegarLoop]: trace histogram [8, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-02 10:57:58,261 INFO  L371      AbstractCegarLoop]: === Iteration 13 === [l3_destroyErr0RequiresViolation, l3_destroyErr3RequiresViolation, l3_destroyErr1RequiresViolation, l3_destroyErr2RequiresViolation, l3_destroyErr4RequiresViolation, l3_destroyErr5RequiresViolation, l0_insertErr3RequiresViolation, l0_insertErr1RequiresViolation, l0_insertErr5RequiresViolation, l0_insertErr2RequiresViolation, l0_insertErr4RequiresViolation, l0_insertErr0RequiresViolation, l4_destroyErr4RequiresViolation, l4_destroyErr6RequiresViolation, l4_destroyErr2RequiresViolation, l4_destroyErr3RequiresViolation, l4_destroyErr1RequiresViolation, l4_destroyErr7RequiresViolation, l4_destroyErr0RequiresViolation, l4_destroyErr5RequiresViolation, l2_insertErr3RequiresViolation, l2_insertErr5RequiresViolation, l2_insertErr0RequiresViolation, l2_insertErr1RequiresViolation, l2_insertErr7RequiresViolation, l2_insertErr4RequiresViolation, l2_insertErr6RequiresViolation, l2_insertErr2RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation, l3_insertErr6RequiresViolation, l3_insertErr4RequiresViolation, l3_insertErr0RequiresViolation, l3_insertErr5RequiresViolation, l3_insertErr3RequiresViolation, l3_insertErr1RequiresViolation, l3_insertErr7RequiresViolation, l3_insertErr2RequiresViolation, l1_insertErr4RequiresViolation, l1_insertErr0RequiresViolation, l1_insertErr6RequiresViolation, l1_insertErr2RequiresViolation, l1_insertErr3RequiresViolation, l1_insertErr1RequiresViolation, l1_insertErr7RequiresViolation, l1_insertErr5RequiresViolation, l0_destroyErr5RequiresViolation, l0_destroyErr3RequiresViolation, l0_destroyErr1RequiresViolation, l0_destroyErr0RequiresViolation, l0_destroyErr4RequiresViolation, l0_destroyErr2RequiresViolation, calloc_modelErr0RequiresViolation, calloc_modelErr1RequiresViolation, l4_insertErr3RequiresViolation, l4_insertErr13RequiresViolation, l4_insertErr6RequiresViolation, l4_insertErr8RequiresViolation, l4_insertErr10RequiresViolation, l4_insertErr1RequiresViolation, l4_insertErr5RequiresViolation, l4_insertErr9RequiresViolation, l4_insertErr12RequiresViolation, l4_insertErr4RequiresViolation, l4_insertErr2RequiresViolation, l4_insertErr0RequiresViolation, l4_insertErr11RequiresViolation, l4_insertErr7RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, l1_destroyErr2RequiresViolation, l1_destroyErr4RequiresViolation, l1_destroyErr0RequiresViolation, l1_destroyErr1RequiresViolation, l1_destroyErr5RequiresViolation, l1_destroyErr3RequiresViolation, l2_destroyErr1RequiresViolation, l2_destroyErr0RequiresViolation, l2_destroyErr2RequiresViolation, l2_destroyErr4RequiresViolation, l2_destroyErr5RequiresViolation, l2_destroyErr3RequiresViolation]===
[2018-02-02 10:57:58,261 INFO  L82        PathProgramCache]: Analyzing trace with hash -921264277, now seen corresponding path program 8 times
No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-02-02 10:57:58,267 INFO  L67    tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy
[2018-02-02 10:57:58,282 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:58,286 WARN  L195               Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier
WARNING: array quantifier
WARNING: array quantifier

[2018-02-02 10:57:58,300 WARN  L251   NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-02 10:57:58,300 WARN  L251   NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-02 10:57:58,300 WARN  L251   NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-02 10:57:58,300 WARN  L251   NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-02 10:57:58,308 WARN  L251   NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-02 10:57:58,308 WARN  L251   NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-02 10:57:58,308 WARN  L251   NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-02 10:57:58,308 WARN  L251   NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-02 10:57:58,415 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:58,432 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:58,437 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:58,451 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:58,454 INFO  L134       CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.
[2018-02-02 10:57:58,469 INFO  L320   seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2018-02-02 10:57:58,469 INFO  L335   seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10
[2018-02-02 10:57:58,469 INFO  L142   lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state
[2018-02-02 10:57:58,470 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-02 10:57:58,470 INFO  L182   omatonBuilderFactory]: Interpolants [7904#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 7938#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 7864#true, 7865#false, 7897#(= |zalloc_or_die_#in~size| 12), 7898#(= 12 zalloc_or_die_~size), 7899#(exists ((%0 (Array Int Int))) (! (and (= |calloc_model_#in~nmemb| 1) (forall ((%1 Int)) (! (= (store %0 %1 12) (store |#length| %1 12)) :qid itp)) (= |calloc_model_#in~size| 12)) :qid itp)), 7900#(exists ((%0 (Array Int Int))) (! (and (= (ite (<= (mod (* (mod calloc_model_~nmemb 4294967296) (mod calloc_model_~size 4294967296)) 4294967296) 2147483647) (mod (* (mod calloc_model_~nmemb 4294967296) (mod calloc_model_~size 4294967296)) 4294967296) (+ (- 4294967296) (mod (* (mod calloc_model_~nmemb 4294967296) (mod calloc_model_~size 4294967296)) 4294967296))) 12) (forall ((%1 Int)) (! (= (store %0 %1 12) (store |#length| %1 12)) :qid itp))) :qid itp)), 7901#(and (= 12 (mod (* (mod calloc_model_~nmemb 4294967296) (mod calloc_model_~size 4294967296)) 4294967296)) (= 0 |calloc_model_#t~malloc0.offset|) (= 12 (select |#length| |calloc_model_#t~malloc0.base|))), 7902#(and (<= 0 calloc_model_~ptr~0.offset) (or (and (< 2147483647 (mod (* (mod calloc_model_~nmemb 4294967296) (mod calloc_model_~size 4294967296)) 4294967296)) (<= (+ (mod (* (mod calloc_model_~nmemb 4294967296) (mod calloc_model_~size 4294967296)) 4294967296) calloc_model_~ptr~0.offset) (+ (select |#length| calloc_model_~ptr~0.base) 4294967296))) (<= (+ (mod (* (mod calloc_model_~nmemb 4294967296) (mod calloc_model_~size 4294967296)) 4294967296) calloc_model_~ptr~0.offset) (select |#length| calloc_model_~ptr~0.base)))), 7903#(and (= |~#list~0.base| |old(~#list~0.base)|) (= |#valid| |old(#valid)|) (= |~#list~0.offset| |old(~#list~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))]
[2018-02-02 10:57:58,470 INFO  L134       CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.
[2018-02-02 10:57:58,470 INFO  L409      AbstractCegarLoop]: Interpolant automaton has 11 states
[2018-02-02 10:57:58,470 INFO  L132   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2018-02-02 10:57:58,470 INFO  L133   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=86, Unknown=2, NotChecked=0, Total=110
[2018-02-02 10:57:58,470 INFO  L87              Difference]: Start difference. First operand 266 states and 289 transitions. Second operand 11 states.
[2018-02-02 10:57:58,611 WARN  L1011  $PredicateComparison]: unable to prove that (and (= |c_~#list~0.base| |c_old(~#list~0.base)|) (= |c_#valid| |c_old(#valid)|) (= |c_~#list~0.offset| |c_old(~#list~0.offset)|) (= |c_#NULL.base| |c_old(#NULL.base)|) (exists ((%0 (Array Int Int))) (! (and (= |c_calloc_model_#in~nmemb| 1) (forall ((%1 Int)) (! (= (store %0 %1 12) (store |c_#length| %1 12)) :qid itp)) (= |c_calloc_model_#in~size| 12)) :qid itp)) (= |c_#NULL.offset| |c_old(#NULL.offset)|) (= |c_#memory_$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))) (! (and (= (let ((.cse0 (mod (* (mod c_calloc_model_~nmemb 4294967296) (mod c_calloc_model_~size 4294967296)) 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) 12) (forall ((%1 Int)) (! (= (store %0 %1 12) (store |c_#length| %1 12)) :qid itp))) :qid itp))) is different from false
[2018-02-02 10:57:59,199 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-02 10:57:59,199 INFO  L93              Difference]: Finished difference Result 317 states and 347 transitions.
[2018-02-02 10:57:59,199 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2018-02-02 10:57:59,200 INFO  L78                 Accepts]: Start accepts. Automaton has 11 states. Word has length 48
[2018-02-02 10:57:59,200 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-02 10:57:59,201 INFO  L225             Difference]: With dead ends: 317
[2018-02-02 10:57:59,201 INFO  L226             Difference]: Without dead ends: 317
[2018-02-02 10:57:59,201 INFO  L554         BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=184, Unknown=7, NotChecked=28, Total=272
[2018-02-02 10:57:59,202 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 317 states.
[2018-02-02 10:57:59,206 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 279.
[2018-02-02 10:57:59,206 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 279 states.
[2018-02-02 10:57:59,207 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 303 transitions.
[2018-02-02 10:57:59,208 INFO  L78                 Accepts]: Start accepts. Automaton has 279 states and 303 transitions. Word has length 48
[2018-02-02 10:57:59,208 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-02-02 10:57:59,208 INFO  L432      AbstractCegarLoop]: Abstraction has 279 states and 303 transitions.
[2018-02-02 10:57:59,208 INFO  L433      AbstractCegarLoop]: Interpolant automaton has 11 states.
[2018-02-02 10:57:59,208 INFO  L276                IsEmpty]: Start isEmpty. Operand 279 states and 303 transitions.
[2018-02-02 10:57:59,209 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 138
[2018-02-02 10:57:59,210 INFO  L343         BasicCegarLoop]: Found error trace
[2018-02-02 10:57:59,210 INFO  L351         BasicCegarLoop]: trace histogram [8, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-02 10:57:59,210 INFO  L371      AbstractCegarLoop]: === Iteration 14 === [l3_destroyErr0RequiresViolation, l3_destroyErr3RequiresViolation, l3_destroyErr1RequiresViolation, l3_destroyErr2RequiresViolation, l3_destroyErr4RequiresViolation, l3_destroyErr5RequiresViolation, l0_insertErr3RequiresViolation, l0_insertErr1RequiresViolation, l0_insertErr5RequiresViolation, l0_insertErr2RequiresViolation, l0_insertErr4RequiresViolation, l0_insertErr0RequiresViolation, l4_destroyErr4RequiresViolation, l4_destroyErr6RequiresViolation, l4_destroyErr2RequiresViolation, l4_destroyErr3RequiresViolation, l4_destroyErr1RequiresViolation, l4_destroyErr7RequiresViolation, l4_destroyErr0RequiresViolation, l4_destroyErr5RequiresViolation, l2_insertErr3RequiresViolation, l2_insertErr5RequiresViolation, l2_insertErr0RequiresViolation, l2_insertErr1RequiresViolation, l2_insertErr7RequiresViolation, l2_insertErr4RequiresViolation, l2_insertErr6RequiresViolation, l2_insertErr2RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation, l3_insertErr6RequiresViolation, l3_insertErr4RequiresViolation, l3_insertErr0RequiresViolation, l3_insertErr5RequiresViolation, l3_insertErr3RequiresViolation, l3_insertErr1RequiresViolation, l3_insertErr7RequiresViolation, l3_insertErr2RequiresViolation, l1_insertErr4RequiresViolation, l1_insertErr0RequiresViolation, l1_insertErr6RequiresViolation, l1_insertErr2RequiresViolation, l1_insertErr3RequiresViolation, l1_insertErr1RequiresViolation, l1_insertErr7RequiresViolation, l1_insertErr5RequiresViolation, l0_destroyErr5RequiresViolation, l0_destroyErr3RequiresViolation, l0_destroyErr1RequiresViolation, l0_destroyErr0RequiresViolation, l0_destroyErr4RequiresViolation, l0_destroyErr2RequiresViolation, calloc_modelErr0RequiresViolation, calloc_modelErr1RequiresViolation, l4_insertErr3RequiresViolation, l4_insertErr13RequiresViolation, l4_insertErr6RequiresViolation, l4_insertErr8RequiresViolation, l4_insertErr10RequiresViolation, l4_insertErr1RequiresViolation, l4_insertErr5RequiresViolation, l4_insertErr9RequiresViolation, l4_insertErr12RequiresViolation, l4_insertErr4RequiresViolation, l4_insertErr2RequiresViolation, l4_insertErr0RequiresViolation, l4_insertErr11RequiresViolation, l4_insertErr7RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, l1_destroyErr2RequiresViolation, l1_destroyErr4RequiresViolation, l1_destroyErr0RequiresViolation, l1_destroyErr1RequiresViolation, l1_destroyErr5RequiresViolation, l1_destroyErr3RequiresViolation, l2_destroyErr1RequiresViolation, l2_destroyErr0RequiresViolation, l2_destroyErr2RequiresViolation, l2_destroyErr4RequiresViolation, l2_destroyErr5RequiresViolation, l2_destroyErr3RequiresViolation]===
[2018-02-02 10:57:59,210 INFO  L82        PathProgramCache]: Analyzing trace with hash 2128145214, now seen corresponding path program 1 times
No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-02-02 10:57:59,214 INFO  L67    tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy
[2018-02-02 10:57:59,246 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:59,258 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:59,267 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:59,271 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:59,278 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:59,282 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:59,285 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:59,290 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:59,294 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:59,297 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:59,299 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:59,303 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:59,307 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:59,309 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:59,317 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:59,334 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:59,415 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:57:59,445 INFO  L134       CoverageAnalysis]: Checked inductivity of 278 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked.
[2018-02-02 10:57:59,461 INFO  L320   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-02-02 10:57:59,462 INFO  L335   seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2018-02-02 10:57:59,462 INFO  L142   lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state
[2018-02-02 10:57:59,462 INFO  L134       CoverageAnalysis]: Checked inductivity of 120 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked.
[2018-02-02 10:57:59,462 INFO  L182   omatonBuilderFactory]: Interpolants [8752#(not (= 12 |zalloc_or_die_#in~size|)), 8753#(= (mod (* (mod |calloc_model_#in~nmemb| 4294967296) (mod |calloc_model_#in~size| 4294967296)) 4294967296) (mod (* (mod calloc_model_~nmemb 4294967296) (mod calloc_model_~size 4294967296)) 4294967296)), 8547#true, 8739#(or (and (= zalloc_or_die_~size 12) (= |zalloc_or_die_#in~size| 12)) (and (not (= zalloc_or_die_~size 12)) (not (= |zalloc_or_die_#in~size| 12)))), 8548#false, 8759#(not (= (mod (* (mod |calloc_model_#in~nmemb| 4294967296) (mod |calloc_model_#in~size| 4294967296)) 4294967296) 12)), 8760#(= 0 |#Ultimate.C_memset_#t~loopctr48|), 8761#(<= |#Ultimate.C_memset_#amount| 0), 8652#(and (= |~#list~0.base| |old(~#list~0.base)|) (= |#valid| |old(#valid)|) (= |~#list~0.offset| |old(~#list~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 8653#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 8687#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))]
[2018-02-02 10:57:59,462 INFO  L134       CoverageAnalysis]: Checked inductivity of 278 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked.
[2018-02-02 10:57:59,463 INFO  L409      AbstractCegarLoop]: Interpolant automaton has 11 states
[2018-02-02 10:57:59,463 INFO  L132   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2018-02-02 10:57:59,463 INFO  L133   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110
[2018-02-02 10:57:59,463 INFO  L87              Difference]: Start difference. First operand 279 states and 303 transitions. Second operand 11 states.
[2018-02-02 10:58:00,192 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-02 10:58:00,192 INFO  L93              Difference]: Finished difference Result 324 states and 353 transitions.
[2018-02-02 10:58:00,192 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2018-02-02 10:58:00,192 INFO  L78                 Accepts]: Start accepts. Automaton has 11 states. Word has length 137
[2018-02-02 10:58:00,193 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-02 10:58:00,194 INFO  L225             Difference]: With dead ends: 324
[2018-02-02 10:58:00,194 INFO  L226             Difference]: Without dead ends: 317
[2018-02-02 10:58:00,194 INFO  L554         BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=334, Unknown=0, NotChecked=0, Total=420
[2018-02-02 10:58:00,195 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 317 states.
[2018-02-02 10:58:00,198 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 281.
[2018-02-02 10:58:00,198 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 281 states.
[2018-02-02 10:58:00,199 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 305 transitions.
[2018-02-02 10:58:00,199 INFO  L78                 Accepts]: Start accepts. Automaton has 281 states and 305 transitions. Word has length 137
[2018-02-02 10:58:00,199 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-02-02 10:58:00,199 INFO  L432      AbstractCegarLoop]: Abstraction has 281 states and 305 transitions.
[2018-02-02 10:58:00,199 INFO  L433      AbstractCegarLoop]: Interpolant automaton has 11 states.
[2018-02-02 10:58:00,199 INFO  L276                IsEmpty]: Start isEmpty. Operand 281 states and 305 transitions.
[2018-02-02 10:58:00,200 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 142
[2018-02-02 10:58:00,200 INFO  L343         BasicCegarLoop]: Found error trace
[2018-02-02 10:58:00,200 INFO  L351         BasicCegarLoop]: trace histogram [12, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-02 10:58:00,200 INFO  L371      AbstractCegarLoop]: === Iteration 15 === [l3_destroyErr0RequiresViolation, l3_destroyErr3RequiresViolation, l3_destroyErr1RequiresViolation, l3_destroyErr2RequiresViolation, l3_destroyErr4RequiresViolation, l3_destroyErr5RequiresViolation, l0_insertErr3RequiresViolation, l0_insertErr1RequiresViolation, l0_insertErr5RequiresViolation, l0_insertErr2RequiresViolation, l0_insertErr4RequiresViolation, l0_insertErr0RequiresViolation, l4_destroyErr4RequiresViolation, l4_destroyErr6RequiresViolation, l4_destroyErr2RequiresViolation, l4_destroyErr3RequiresViolation, l4_destroyErr1RequiresViolation, l4_destroyErr7RequiresViolation, l4_destroyErr0RequiresViolation, l4_destroyErr5RequiresViolation, l2_insertErr3RequiresViolation, l2_insertErr5RequiresViolation, l2_insertErr0RequiresViolation, l2_insertErr1RequiresViolation, l2_insertErr7RequiresViolation, l2_insertErr4RequiresViolation, l2_insertErr6RequiresViolation, l2_insertErr2RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation, l3_insertErr6RequiresViolation, l3_insertErr4RequiresViolation, l3_insertErr0RequiresViolation, l3_insertErr5RequiresViolation, l3_insertErr3RequiresViolation, l3_insertErr1RequiresViolation, l3_insertErr7RequiresViolation, l3_insertErr2RequiresViolation, l1_insertErr4RequiresViolation, l1_insertErr0RequiresViolation, l1_insertErr6RequiresViolation, l1_insertErr2RequiresViolation, l1_insertErr3RequiresViolation, l1_insertErr1RequiresViolation, l1_insertErr7RequiresViolation, l1_insertErr5RequiresViolation, l0_destroyErr5RequiresViolation, l0_destroyErr3RequiresViolation, l0_destroyErr1RequiresViolation, l0_destroyErr0RequiresViolation, l0_destroyErr4RequiresViolation, l0_destroyErr2RequiresViolation, calloc_modelErr0RequiresViolation, calloc_modelErr1RequiresViolation, l4_insertErr3RequiresViolation, l4_insertErr13RequiresViolation, l4_insertErr6RequiresViolation, l4_insertErr8RequiresViolation, l4_insertErr10RequiresViolation, l4_insertErr1RequiresViolation, l4_insertErr5RequiresViolation, l4_insertErr9RequiresViolation, l4_insertErr12RequiresViolation, l4_insertErr4RequiresViolation, l4_insertErr2RequiresViolation, l4_insertErr0RequiresViolation, l4_insertErr11RequiresViolation, l4_insertErr7RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, l1_destroyErr2RequiresViolation, l1_destroyErr4RequiresViolation, l1_destroyErr0RequiresViolation, l1_destroyErr1RequiresViolation, l1_destroyErr5RequiresViolation, l1_destroyErr3RequiresViolation, l2_destroyErr1RequiresViolation, l2_destroyErr0RequiresViolation, l2_destroyErr2RequiresViolation, l2_destroyErr4RequiresViolation, l2_destroyErr5RequiresViolation, l2_destroyErr3RequiresViolation]===
[2018-02-02 10:58:00,200 INFO  L82        PathProgramCache]: Analyzing trace with hash -501524986, now seen corresponding path program 2 times
No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-02-02 10:58:00,214 INFO  L67    tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy
[2018-02-02 10:58:00,262 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:00,282 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:00,298 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:00,305 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:00,316 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:00,324 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:00,350 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:00,367 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:00,389 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:00,392 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:00,395 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:00,399 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:00,403 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:00,406 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:00,410 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:00,414 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:00,416 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:00,425 INFO  L134       CoverageAnalysis]: Checked inductivity of 336 backedges. 61 proven. 52 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked.
[2018-02-02 10:58:00,442 INFO  L320   seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2018-02-02 10:58:00,442 INFO  L335   seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12
[2018-02-02 10:58:00,442 INFO  L142   lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state
[2018-02-02 10:58:00,442 INFO  L134       CoverageAnalysis]: Checked inductivity of 130 backedges. 2 proven. 45 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked.
[2018-02-02 10:58:00,442 INFO  L182   omatonBuilderFactory]: Interpolants [9555#(or (not (= |calloc_model_#in~size| 12)) (not (= |calloc_model_#in~nmemb| 1))), 9556#(= 0 |#Ultimate.C_memset_#t~loopctr48|), 9557#(or (and (< |#Ultimate.C_memset_#t~loopctr48| |#Ultimate.C_memset_#amount|) (< 1 |#Ultimate.C_memset_#amount|)) (and (<= |#Ultimate.C_memset_#amount| 1) (<= |#Ultimate.C_memset_#amount| |#Ultimate.C_memset_#t~loopctr48|))), 9558#(<= |#Ultimate.C_memset_#amount| 1), 9497#(and (= |~#list~0.base| |old(~#list~0.base)|) (= |#valid| |old(#valid)|) (= |~#list~0.offset| |old(~#list~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 9498#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 9547#(not (= 12 |zalloc_or_die_#in~size|)), 9388#true, 9532#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 9548#(and (= calloc_model_~size |calloc_model_#in~size|) (or (and (not (= calloc_model_~nmemb 1)) (not (= |calloc_model_#in~nmemb| 1))) (and (= |calloc_model_#in~nmemb| 1) (= calloc_model_~nmemb 1)))), 9389#false, 9533#(or (and (= zalloc_or_die_~size 12) (= |zalloc_or_die_#in~size| 12)) (and (not (= zalloc_or_die_~size 12)) (not (= |zalloc_or_die_#in~size| 12))))]
[2018-02-02 10:58:00,443 INFO  L134       CoverageAnalysis]: Checked inductivity of 336 backedges. 61 proven. 52 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked.
[2018-02-02 10:58:00,443 INFO  L409      AbstractCegarLoop]: Interpolant automaton has 12 states
[2018-02-02 10:58:00,443 INFO  L132   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2018-02-02 10:58:00,443 INFO  L133   InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132
[2018-02-02 10:58:00,443 INFO  L87              Difference]: Start difference. First operand 281 states and 305 transitions. Second operand 12 states.
[2018-02-02 10:58:01,267 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-02 10:58:01,267 INFO  L93              Difference]: Finished difference Result 326 states and 355 transitions.
[2018-02-02 10:58:01,267 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2018-02-02 10:58:01,267 INFO  L78                 Accepts]: Start accepts. Automaton has 12 states. Word has length 141
[2018-02-02 10:58:01,267 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-02 10:58:01,268 INFO  L225             Difference]: With dead ends: 326
[2018-02-02 10:58:01,268 INFO  L226             Difference]: Without dead ends: 319
[2018-02-02 10:58:01,269 INFO  L554         BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=117, Invalid=533, Unknown=0, NotChecked=0, Total=650
[2018-02-02 10:58:01,269 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 319 states.
[2018-02-02 10:58:01,273 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 281.
[2018-02-02 10:58:01,273 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 281 states.
[2018-02-02 10:58:01,274 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 305 transitions.
[2018-02-02 10:58:01,274 INFO  L78                 Accepts]: Start accepts. Automaton has 281 states and 305 transitions. Word has length 141
[2018-02-02 10:58:01,274 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-02-02 10:58:01,274 INFO  L432      AbstractCegarLoop]: Abstraction has 281 states and 305 transitions.
[2018-02-02 10:58:01,274 INFO  L433      AbstractCegarLoop]: Interpolant automaton has 12 states.
[2018-02-02 10:58:01,274 INFO  L276                IsEmpty]: Start isEmpty. Operand 281 states and 305 transitions.
[2018-02-02 10:58:01,276 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 146
[2018-02-02 10:58:01,276 INFO  L343         BasicCegarLoop]: Found error trace
[2018-02-02 10:58:01,276 INFO  L351         BasicCegarLoop]: trace histogram [16, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-02 10:58:01,276 INFO  L371      AbstractCegarLoop]: === Iteration 16 === [l3_destroyErr0RequiresViolation, l3_destroyErr3RequiresViolation, l3_destroyErr1RequiresViolation, l3_destroyErr2RequiresViolation, l3_destroyErr4RequiresViolation, l3_destroyErr5RequiresViolation, l0_insertErr3RequiresViolation, l0_insertErr1RequiresViolation, l0_insertErr5RequiresViolation, l0_insertErr2RequiresViolation, l0_insertErr4RequiresViolation, l0_insertErr0RequiresViolation, l4_destroyErr4RequiresViolation, l4_destroyErr6RequiresViolation, l4_destroyErr2RequiresViolation, l4_destroyErr3RequiresViolation, l4_destroyErr1RequiresViolation, l4_destroyErr7RequiresViolation, l4_destroyErr0RequiresViolation, l4_destroyErr5RequiresViolation, l2_insertErr3RequiresViolation, l2_insertErr5RequiresViolation, l2_insertErr0RequiresViolation, l2_insertErr1RequiresViolation, l2_insertErr7RequiresViolation, l2_insertErr4RequiresViolation, l2_insertErr6RequiresViolation, l2_insertErr2RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation, l3_insertErr6RequiresViolation, l3_insertErr4RequiresViolation, l3_insertErr0RequiresViolation, l3_insertErr5RequiresViolation, l3_insertErr3RequiresViolation, l3_insertErr1RequiresViolation, l3_insertErr7RequiresViolation, l3_insertErr2RequiresViolation, l1_insertErr4RequiresViolation, l1_insertErr0RequiresViolation, l1_insertErr6RequiresViolation, l1_insertErr2RequiresViolation, l1_insertErr3RequiresViolation, l1_insertErr1RequiresViolation, l1_insertErr7RequiresViolation, l1_insertErr5RequiresViolation, l0_destroyErr5RequiresViolation, l0_destroyErr3RequiresViolation, l0_destroyErr1RequiresViolation, l0_destroyErr0RequiresViolation, l0_destroyErr4RequiresViolation, l0_destroyErr2RequiresViolation, calloc_modelErr0RequiresViolation, calloc_modelErr1RequiresViolation, l4_insertErr3RequiresViolation, l4_insertErr13RequiresViolation, l4_insertErr6RequiresViolation, l4_insertErr8RequiresViolation, l4_insertErr10RequiresViolation, l4_insertErr1RequiresViolation, l4_insertErr5RequiresViolation, l4_insertErr9RequiresViolation, l4_insertErr12RequiresViolation, l4_insertErr4RequiresViolation, l4_insertErr2RequiresViolation, l4_insertErr0RequiresViolation, l4_insertErr11RequiresViolation, l4_insertErr7RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, l1_destroyErr2RequiresViolation, l1_destroyErr4RequiresViolation, l1_destroyErr0RequiresViolation, l1_destroyErr1RequiresViolation, l1_destroyErr5RequiresViolation, l1_destroyErr3RequiresViolation, l2_destroyErr1RequiresViolation, l2_destroyErr0RequiresViolation, l2_destroyErr2RequiresViolation, l2_destroyErr4RequiresViolation, l2_destroyErr5RequiresViolation, l2_destroyErr3RequiresViolation]===
[2018-02-02 10:58:01,276 INFO  L82        PathProgramCache]: Analyzing trace with hash -897071938, now seen corresponding path program 3 times
No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-02-02 10:58:01,283 INFO  L67    tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy
[2018-02-02 10:58:01,316 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:01,328 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:01,337 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:01,341 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:01,348 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:01,353 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:01,370 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:01,389 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:01,419 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:01,422 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:01,424 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:01,427 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:01,431 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:01,433 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:01,437 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:01,441 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:01,443 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:01,453 INFO  L134       CoverageAnalysis]: Checked inductivity of 410 backedges. 70 proven. 69 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked.
[2018-02-02 10:58:01,469 INFO  L320   seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2018-02-02 10:58:01,469 INFO  L335   seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13
[2018-02-02 10:58:01,469 INFO  L142   lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state
[2018-02-02 10:58:01,469 INFO  L134       CoverageAnalysis]: Checked inductivity of 140 backedges. 3 proven. 48 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked.
[2018-02-02 10:58:01,470 INFO  L182   omatonBuilderFactory]: Interpolants [10400#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 10401#(or (and (= zalloc_or_die_~size 12) (= |zalloc_or_die_#in~size| 12)) (and (not (= zalloc_or_die_~size 12)) (not (= |zalloc_or_die_#in~size| 12)))), 10252#true, 10253#false, 10416#(not (= 12 |zalloc_or_die_#in~size|)), 10417#(and (= calloc_model_~size |calloc_model_#in~size|) (or (and (not (= calloc_model_~nmemb 1)) (not (= |calloc_model_#in~nmemb| 1))) (and (= |calloc_model_#in~nmemb| 1) (= calloc_model_~nmemb 1)))), 10425#(or (not (= |calloc_model_#in~size| 12)) (not (= |calloc_model_#in~nmemb| 1))), 10426#(= 0 |#Ultimate.C_memset_#t~loopctr48|), 10427#(= 1 |#Ultimate.C_memset_#t~loopctr48|), 10428#(or (and (< 2 |#Ultimate.C_memset_#amount|) (< |#Ultimate.C_memset_#t~loopctr48| |#Ultimate.C_memset_#amount|)) (and (<= |#Ultimate.C_memset_#amount| |#Ultimate.C_memset_#t~loopctr48|) (<= |#Ultimate.C_memset_#amount| 2))), 10365#(and (= |~#list~0.base| |old(~#list~0.base)|) (= |#valid| |old(#valid)|) (= |~#list~0.offset| |old(~#list~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 10429#(<= |#Ultimate.C_memset_#amount| 2), 10366#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))]
[2018-02-02 10:58:01,470 INFO  L134       CoverageAnalysis]: Checked inductivity of 410 backedges. 70 proven. 69 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked.
[2018-02-02 10:58:01,470 INFO  L409      AbstractCegarLoop]: Interpolant automaton has 13 states
[2018-02-02 10:58:01,470 INFO  L132   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2018-02-02 10:58:01,470 INFO  L133   InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156
[2018-02-02 10:58:01,470 INFO  L87              Difference]: Start difference. First operand 281 states and 305 transitions. Second operand 13 states.
[2018-02-02 10:58:02,263 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-02 10:58:02,263 INFO  L93              Difference]: Finished difference Result 328 states and 357 transitions.
[2018-02-02 10:58:02,263 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2018-02-02 10:58:02,264 INFO  L78                 Accepts]: Start accepts. Automaton has 13 states. Word has length 145
[2018-02-02 10:58:02,264 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-02 10:58:02,265 INFO  L225             Difference]: With dead ends: 328
[2018-02-02 10:58:02,265 INFO  L226             Difference]: Without dead ends: 321
[2018-02-02 10:58:02,265 INFO  L554         BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=125, Invalid=631, Unknown=0, NotChecked=0, Total=756
[2018-02-02 10:58:02,266 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 321 states.
[2018-02-02 10:58:02,268 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 281.
[2018-02-02 10:58:02,268 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 281 states.
[2018-02-02 10:58:02,269 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 305 transitions.
[2018-02-02 10:58:02,269 INFO  L78                 Accepts]: Start accepts. Automaton has 281 states and 305 transitions. Word has length 145
[2018-02-02 10:58:02,269 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-02-02 10:58:02,269 INFO  L432      AbstractCegarLoop]: Abstraction has 281 states and 305 transitions.
[2018-02-02 10:58:02,269 INFO  L433      AbstractCegarLoop]: Interpolant automaton has 13 states.
[2018-02-02 10:58:02,270 INFO  L276                IsEmpty]: Start isEmpty. Operand 281 states and 305 transitions.
[2018-02-02 10:58:02,270 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 150
[2018-02-02 10:58:02,270 INFO  L343         BasicCegarLoop]: Found error trace
[2018-02-02 10:58:02,270 INFO  L351         BasicCegarLoop]: trace histogram [20, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-02 10:58:02,270 INFO  L371      AbstractCegarLoop]: === Iteration 17 === [l3_destroyErr0RequiresViolation, l3_destroyErr3RequiresViolation, l3_destroyErr1RequiresViolation, l3_destroyErr2RequiresViolation, l3_destroyErr4RequiresViolation, l3_destroyErr5RequiresViolation, l0_insertErr3RequiresViolation, l0_insertErr1RequiresViolation, l0_insertErr5RequiresViolation, l0_insertErr2RequiresViolation, l0_insertErr4RequiresViolation, l0_insertErr0RequiresViolation, l4_destroyErr4RequiresViolation, l4_destroyErr6RequiresViolation, l4_destroyErr2RequiresViolation, l4_destroyErr3RequiresViolation, l4_destroyErr1RequiresViolation, l4_destroyErr7RequiresViolation, l4_destroyErr0RequiresViolation, l4_destroyErr5RequiresViolation, l2_insertErr3RequiresViolation, l2_insertErr5RequiresViolation, l2_insertErr0RequiresViolation, l2_insertErr1RequiresViolation, l2_insertErr7RequiresViolation, l2_insertErr4RequiresViolation, l2_insertErr6RequiresViolation, l2_insertErr2RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation, l3_insertErr6RequiresViolation, l3_insertErr4RequiresViolation, l3_insertErr0RequiresViolation, l3_insertErr5RequiresViolation, l3_insertErr3RequiresViolation, l3_insertErr1RequiresViolation, l3_insertErr7RequiresViolation, l3_insertErr2RequiresViolation, l1_insertErr4RequiresViolation, l1_insertErr0RequiresViolation, l1_insertErr6RequiresViolation, l1_insertErr2RequiresViolation, l1_insertErr3RequiresViolation, l1_insertErr1RequiresViolation, l1_insertErr7RequiresViolation, l1_insertErr5RequiresViolation, l0_destroyErr5RequiresViolation, l0_destroyErr3RequiresViolation, l0_destroyErr1RequiresViolation, l0_destroyErr0RequiresViolation, l0_destroyErr4RequiresViolation, l0_destroyErr2RequiresViolation, calloc_modelErr0RequiresViolation, calloc_modelErr1RequiresViolation, l4_insertErr3RequiresViolation, l4_insertErr13RequiresViolation, l4_insertErr6RequiresViolation, l4_insertErr8RequiresViolation, l4_insertErr10RequiresViolation, l4_insertErr1RequiresViolation, l4_insertErr5RequiresViolation, l4_insertErr9RequiresViolation, l4_insertErr12RequiresViolation, l4_insertErr4RequiresViolation, l4_insertErr2RequiresViolation, l4_insertErr0RequiresViolation, l4_insertErr11RequiresViolation, l4_insertErr7RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, l1_destroyErr2RequiresViolation, l1_destroyErr4RequiresViolation, l1_destroyErr0RequiresViolation, l1_destroyErr1RequiresViolation, l1_destroyErr5RequiresViolation, l1_destroyErr3RequiresViolation, l2_destroyErr1RequiresViolation, l2_destroyErr0RequiresViolation, l2_destroyErr2RequiresViolation, l2_destroyErr4RequiresViolation, l2_destroyErr5RequiresViolation, l2_destroyErr3RequiresViolation]===
[2018-02-02 10:58:02,270 INFO  L82        PathProgramCache]: Analyzing trace with hash -2110093178, now seen corresponding path program 4 times
No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-02-02 10:58:02,273 INFO  L67    tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy
[2018-02-02 10:58:02,310 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:02,324 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:02,335 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:02,340 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:02,348 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:02,355 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:02,373 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:02,611 WARN  L146               SmtUtils]: Spent 222ms on a formula simplification. DAG size of input: 40 DAG size of output 22
[2018-02-02 10:58:02,627 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:02,684 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:02,689 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:02,692 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:02,697 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:02,701 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:02,704 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:02,709 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:02,712 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:02,714 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:02,725 INFO  L134       CoverageAnalysis]: Checked inductivity of 500 backedges. 79 proven. 93 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked.
[2018-02-02 10:58:02,741 INFO  L320   seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2018-02-02 10:58:02,741 INFO  L335   seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14
[2018-02-02 10:58:02,741 INFO  L142   lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state
[2018-02-02 10:58:02,741 INFO  L134       CoverageAnalysis]: Checked inductivity of 150 backedges. 4 proven. 51 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked.
[2018-02-02 10:58:02,741 INFO  L182   omatonBuilderFactory]: Interpolants [11302#(not (= 12 |zalloc_or_die_#in~size|)), 11303#(and (= (mod (* (mod |calloc_model_#in~size| 4294967296) (mod calloc_model_~nmemb 4294967296)) 4294967296) (mod (* (mod calloc_model_~nmemb 4294967296) (mod calloc_model_~size 4294967296)) 4294967296)) (or (and (not (= calloc_model_~nmemb 1)) (not (= |calloc_model_#in~nmemb| 1))) (and (= |calloc_model_#in~nmemb| 1) (= calloc_model_~nmemb 1)))), 11312#(or (not (= (mod |calloc_model_#in~size| 4294967296) 12)) (not (= |calloc_model_#in~nmemb| 1))), 11313#(= 0 |#Ultimate.C_memset_#t~loopctr48|), 11250#(and (= |~#list~0.base| |old(~#list~0.base)|) (= |#valid| |old(#valid)|) (= |~#list~0.offset| |old(~#list~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 11314#(= 1 |#Ultimate.C_memset_#t~loopctr48|), 11251#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 11315#(and (<= |#Ultimate.C_memset_#t~loopctr48| 2) (<= 2 |#Ultimate.C_memset_#t~loopctr48|)), 11316#(and (< 2 |#Ultimate.C_memset_#amount|) (<= |#Ultimate.C_memset_#t~loopctr48| 3)), 11285#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 11317#(and (< 2 |#Ultimate.C_memset_#amount|) (<= |#Ultimate.C_memset_#amount| 3)), 11286#(or (and (= zalloc_or_die_~size 12) (= |zalloc_or_die_#in~size| 12)) (and (not (= zalloc_or_die_~size 12)) (not (= |zalloc_or_die_#in~size| 12)))), 11133#true, 11134#false]
[2018-02-02 10:58:02,742 INFO  L134       CoverageAnalysis]: Checked inductivity of 500 backedges. 79 proven. 93 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked.
[2018-02-02 10:58:02,742 INFO  L409      AbstractCegarLoop]: Interpolant automaton has 14 states
[2018-02-02 10:58:02,742 INFO  L132   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2018-02-02 10:58:02,742 INFO  L133   InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182
[2018-02-02 10:58:02,742 INFO  L87              Difference]: Start difference. First operand 281 states and 305 transitions. Second operand 14 states.
[2018-02-02 10:58:05,923 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-02 10:58:05,923 INFO  L93              Difference]: Finished difference Result 333 states and 362 transitions.
[2018-02-02 10:58:05,923 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2018-02-02 10:58:05,923 INFO  L78                 Accepts]: Start accepts. Automaton has 14 states. Word has length 149
[2018-02-02 10:58:05,923 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-02 10:58:05,924 INFO  L225             Difference]: With dead ends: 333
[2018-02-02 10:58:05,925 INFO  L226             Difference]: Without dead ends: 326
[2018-02-02 10:58:05,925 INFO  L554         BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=86, Invalid=466, Unknown=0, NotChecked=0, Total=552
[2018-02-02 10:58:05,925 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 326 states.
[2018-02-02 10:58:05,928 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 281.
[2018-02-02 10:58:05,928 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 281 states.
[2018-02-02 10:58:05,929 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 305 transitions.
[2018-02-02 10:58:05,929 INFO  L78                 Accepts]: Start accepts. Automaton has 281 states and 305 transitions. Word has length 149
[2018-02-02 10:58:05,930 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-02-02 10:58:05,930 INFO  L432      AbstractCegarLoop]: Abstraction has 281 states and 305 transitions.
[2018-02-02 10:58:05,930 INFO  L433      AbstractCegarLoop]: Interpolant automaton has 14 states.
[2018-02-02 10:58:05,930 INFO  L276                IsEmpty]: Start isEmpty. Operand 281 states and 305 transitions.
[2018-02-02 10:58:05,931 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 154
[2018-02-02 10:58:05,931 INFO  L343         BasicCegarLoop]: Found error trace
[2018-02-02 10:58:05,931 INFO  L351         BasicCegarLoop]: trace histogram [24, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-02 10:58:05,931 INFO  L371      AbstractCegarLoop]: === Iteration 18 === [l3_destroyErr0RequiresViolation, l3_destroyErr3RequiresViolation, l3_destroyErr1RequiresViolation, l3_destroyErr2RequiresViolation, l3_destroyErr4RequiresViolation, l3_destroyErr5RequiresViolation, l0_insertErr3RequiresViolation, l0_insertErr1RequiresViolation, l0_insertErr5RequiresViolation, l0_insertErr2RequiresViolation, l0_insertErr4RequiresViolation, l0_insertErr0RequiresViolation, l4_destroyErr4RequiresViolation, l4_destroyErr6RequiresViolation, l4_destroyErr2RequiresViolation, l4_destroyErr3RequiresViolation, l4_destroyErr1RequiresViolation, l4_destroyErr7RequiresViolation, l4_destroyErr0RequiresViolation, l4_destroyErr5RequiresViolation, l2_insertErr3RequiresViolation, l2_insertErr5RequiresViolation, l2_insertErr0RequiresViolation, l2_insertErr1RequiresViolation, l2_insertErr7RequiresViolation, l2_insertErr4RequiresViolation, l2_insertErr6RequiresViolation, l2_insertErr2RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation, l3_insertErr6RequiresViolation, l3_insertErr4RequiresViolation, l3_insertErr0RequiresViolation, l3_insertErr5RequiresViolation, l3_insertErr3RequiresViolation, l3_insertErr1RequiresViolation, l3_insertErr7RequiresViolation, l3_insertErr2RequiresViolation, l1_insertErr4RequiresViolation, l1_insertErr0RequiresViolation, l1_insertErr6RequiresViolation, l1_insertErr2RequiresViolation, l1_insertErr3RequiresViolation, l1_insertErr1RequiresViolation, l1_insertErr7RequiresViolation, l1_insertErr5RequiresViolation, l0_destroyErr5RequiresViolation, l0_destroyErr3RequiresViolation, l0_destroyErr1RequiresViolation, l0_destroyErr0RequiresViolation, l0_destroyErr4RequiresViolation, l0_destroyErr2RequiresViolation, calloc_modelErr0RequiresViolation, calloc_modelErr1RequiresViolation, l4_insertErr3RequiresViolation, l4_insertErr13RequiresViolation, l4_insertErr6RequiresViolation, l4_insertErr8RequiresViolation, l4_insertErr10RequiresViolation, l4_insertErr1RequiresViolation, l4_insertErr5RequiresViolation, l4_insertErr9RequiresViolation, l4_insertErr12RequiresViolation, l4_insertErr4RequiresViolation, l4_insertErr2RequiresViolation, l4_insertErr0RequiresViolation, l4_insertErr11RequiresViolation, l4_insertErr7RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, l1_destroyErr2RequiresViolation, l1_destroyErr4RequiresViolation, l1_destroyErr0RequiresViolation, l1_destroyErr1RequiresViolation, l1_destroyErr5RequiresViolation, l1_destroyErr3RequiresViolation, l2_destroyErr1RequiresViolation, l2_destroyErr0RequiresViolation, l2_destroyErr2RequiresViolation, l2_destroyErr4RequiresViolation, l2_destroyErr5RequiresViolation, l2_destroyErr3RequiresViolation]===
[2018-02-02 10:58:05,931 INFO  L82        PathProgramCache]: Analyzing trace with hash 1031642686, now seen corresponding path program 5 times
No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
[2018-02-02 10:58:05,934 INFO  L67    tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy
Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-02-02 10:58:05,978 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:06,026 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:06,044 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:06,050 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:06,059 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:06,066 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:06,082 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:06,167 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:06,213 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:06,218 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:06,220 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:06,225 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:06,229 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:06,232 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:06,236 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:06,240 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:06,242 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:06,252 INFO  L134       CoverageAnalysis]: Checked inductivity of 606 backedges. 88 proven. 124 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked.
[2018-02-02 10:58:06,268 INFO  L320   seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2018-02-02 10:58:06,268 INFO  L335   seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15
[2018-02-02 10:58:06,268 INFO  L142   lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state
[2018-02-02 10:58:06,268 INFO  L134       CoverageAnalysis]: Checked inductivity of 160 backedges. 5 proven. 54 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked.
[2018-02-02 10:58:06,269 INFO  L182   omatonBuilderFactory]: Interpolants [12196#(not (= 12 |zalloc_or_die_#in~size|)), 12197#(= (mod (* (mod |calloc_model_#in~nmemb| 4294967296) (mod |calloc_model_#in~size| 4294967296)) 4294967296) (mod (* (mod calloc_model_~nmemb 4294967296) (mod calloc_model_~size 4294967296)) 4294967296)), 12143#(and (= |~#list~0.base| |old(~#list~0.base)|) (= |#valid| |old(#valid)|) (= |~#list~0.offset| |old(~#list~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 12207#(not (= (mod (* (mod |calloc_model_#in~nmemb| 4294967296) (mod |calloc_model_#in~size| 4294967296)) 4294967296) 12)), 12144#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 12208#(= 0 |#Ultimate.C_memset_#t~loopctr48|), 12209#(<= |#Ultimate.C_memset_#t~loopctr48| 1), 12178#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 12210#(<= |#Ultimate.C_memset_#t~loopctr48| 2), 12179#(or (and (= zalloc_or_die_~size 12) (= |zalloc_or_die_#in~size| 12)) (and (not (= zalloc_or_die_~size 12)) (not (= |zalloc_or_die_#in~size| 12)))), 12211#(<= |#Ultimate.C_memset_#t~loopctr48| 3), 12212#(<= |#Ultimate.C_memset_#t~loopctr48| 4), 12213#(not (= 12 |#Ultimate.C_memset_#amount|)), 12022#true, 12023#false]
[2018-02-02 10:58:06,269 INFO  L134       CoverageAnalysis]: Checked inductivity of 606 backedges. 88 proven. 124 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked.
[2018-02-02 10:58:06,269 INFO  L409      AbstractCegarLoop]: Interpolant automaton has 15 states
[2018-02-02 10:58:06,269 INFO  L132   InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2018-02-02 10:58:06,269 INFO  L133   InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210
[2018-02-02 10:58:06,269 INFO  L87              Difference]: Start difference. First operand 281 states and 305 transitions. Second operand 15 states.
[2018-02-02 10:58:07,238 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-02 10:58:07,238 INFO  L93              Difference]: Finished difference Result 335 states and 364 transitions.
[2018-02-02 10:58:07,238 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. 
[2018-02-02 10:58:07,238 INFO  L78                 Accepts]: Start accepts. Automaton has 15 states. Word has length 153
[2018-02-02 10:58:07,238 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-02 10:58:07,239 INFO  L225             Difference]: With dead ends: 335
[2018-02-02 10:58:07,239 INFO  L226             Difference]: Without dead ends: 328
[2018-02-02 10:58:07,239 INFO  L554         BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=149, Invalid=721, Unknown=0, NotChecked=0, Total=870
[2018-02-02 10:58:07,240 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 328 states.
[2018-02-02 10:58:07,242 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 281.
[2018-02-02 10:58:07,242 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 281 states.
[2018-02-02 10:58:07,243 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 305 transitions.
[2018-02-02 10:58:07,243 INFO  L78                 Accepts]: Start accepts. Automaton has 281 states and 305 transitions. Word has length 153
[2018-02-02 10:58:07,243 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-02-02 10:58:07,243 INFO  L432      AbstractCegarLoop]: Abstraction has 281 states and 305 transitions.
[2018-02-02 10:58:07,243 INFO  L433      AbstractCegarLoop]: Interpolant automaton has 15 states.
[2018-02-02 10:58:07,243 INFO  L276                IsEmpty]: Start isEmpty. Operand 281 states and 305 transitions.
[2018-02-02 10:58:07,244 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 158
[2018-02-02 10:58:07,244 INFO  L343         BasicCegarLoop]: Found error trace
[2018-02-02 10:58:07,244 INFO  L351         BasicCegarLoop]: trace histogram [28, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-02 10:58:07,244 INFO  L371      AbstractCegarLoop]: === Iteration 19 === [l3_destroyErr0RequiresViolation, l3_destroyErr3RequiresViolation, l3_destroyErr1RequiresViolation, l3_destroyErr2RequiresViolation, l3_destroyErr4RequiresViolation, l3_destroyErr5RequiresViolation, l0_insertErr3RequiresViolation, l0_insertErr1RequiresViolation, l0_insertErr5RequiresViolation, l0_insertErr2RequiresViolation, l0_insertErr4RequiresViolation, l0_insertErr0RequiresViolation, l4_destroyErr4RequiresViolation, l4_destroyErr6RequiresViolation, l4_destroyErr2RequiresViolation, l4_destroyErr3RequiresViolation, l4_destroyErr1RequiresViolation, l4_destroyErr7RequiresViolation, l4_destroyErr0RequiresViolation, l4_destroyErr5RequiresViolation, l2_insertErr3RequiresViolation, l2_insertErr5RequiresViolation, l2_insertErr0RequiresViolation, l2_insertErr1RequiresViolation, l2_insertErr7RequiresViolation, l2_insertErr4RequiresViolation, l2_insertErr6RequiresViolation, l2_insertErr2RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation, l3_insertErr6RequiresViolation, l3_insertErr4RequiresViolation, l3_insertErr0RequiresViolation, l3_insertErr5RequiresViolation, l3_insertErr3RequiresViolation, l3_insertErr1RequiresViolation, l3_insertErr7RequiresViolation, l3_insertErr2RequiresViolation, l1_insertErr4RequiresViolation, l1_insertErr0RequiresViolation, l1_insertErr6RequiresViolation, l1_insertErr2RequiresViolation, l1_insertErr3RequiresViolation, l1_insertErr1RequiresViolation, l1_insertErr7RequiresViolation, l1_insertErr5RequiresViolation, l0_destroyErr5RequiresViolation, l0_destroyErr3RequiresViolation, l0_destroyErr1RequiresViolation, l0_destroyErr0RequiresViolation, l0_destroyErr4RequiresViolation, l0_destroyErr2RequiresViolation, calloc_modelErr0RequiresViolation, calloc_modelErr1RequiresViolation, l4_insertErr3RequiresViolation, l4_insertErr13RequiresViolation, l4_insertErr6RequiresViolation, l4_insertErr8RequiresViolation, l4_insertErr10RequiresViolation, l4_insertErr1RequiresViolation, l4_insertErr5RequiresViolation, l4_insertErr9RequiresViolation, l4_insertErr12RequiresViolation, l4_insertErr4RequiresViolation, l4_insertErr2RequiresViolation, l4_insertErr0RequiresViolation, l4_insertErr11RequiresViolation, l4_insertErr7RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, l1_destroyErr2RequiresViolation, l1_destroyErr4RequiresViolation, l1_destroyErr0RequiresViolation, l1_destroyErr1RequiresViolation, l1_destroyErr5RequiresViolation, l1_destroyErr3RequiresViolation, l2_destroyErr1RequiresViolation, l2_destroyErr0RequiresViolation, l2_destroyErr2RequiresViolation, l2_destroyErr4RequiresViolation, l2_destroyErr5RequiresViolation, l2_destroyErr3RequiresViolation]===
[2018-02-02 10:58:07,244 INFO  L82        PathProgramCache]: Analyzing trace with hash -1389217018, now seen corresponding path program 6 times
No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-02-02 10:58:07,247 INFO  L67    tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy
[2018-02-02 10:58:07,281 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:07,294 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:07,303 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:07,307 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:07,314 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:07,321 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:07,337 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:07,951 WARN  L146               SmtUtils]: Spent 598ms on a formula simplification. DAG size of input: 40 DAG size of output 22
[2018-02-02 10:58:07,971 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:08,056 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:08,061 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:08,064 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:08,068 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:08,072 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:08,075 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:08,079 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:08,083 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:08,086 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:08,098 INFO  L134       CoverageAnalysis]: Checked inductivity of 728 backedges. 97 proven. 162 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked.
[2018-02-02 10:58:08,114 INFO  L320   seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2018-02-02 10:58:08,114 INFO  L335   seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16
[2018-02-02 10:58:08,114 INFO  L142   lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state
[2018-02-02 10:58:08,115 INFO  L134       CoverageAnalysis]: Checked inductivity of 170 backedges. 6 proven. 57 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked.
[2018-02-02 10:58:08,115 INFO  L182   omatonBuilderFactory]: Interpolants [13061#(and (= |~#list~0.base| |old(~#list~0.base)|) (= |#valid| |old(#valid)|) (= |~#list~0.offset| |old(~#list~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 13062#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 13127#(or (not (= (mod |calloc_model_#in~size| 4294967296) 12)) (not (= |calloc_model_#in~nmemb| 1))), 12936#true, 13096#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 13128#(= 0 |#Ultimate.C_memset_#t~loopctr48|), 12937#false, 13097#(or (and (= zalloc_or_die_~size 12) (= |zalloc_or_die_#in~size| 12)) (and (not (= zalloc_or_die_~size 12)) (not (= |zalloc_or_die_#in~size| 12)))), 13129#(= 1 |#Ultimate.C_memset_#t~loopctr48|), 13130#(and (<= |#Ultimate.C_memset_#t~loopctr48| 2) (<= 2 |#Ultimate.C_memset_#t~loopctr48|) (< 1 |#Ultimate.C_memset_#amount|)), 13131#(and (<= 3 |#Ultimate.C_memset_#t~loopctr48|) (<= |#Ultimate.C_memset_#t~loopctr48| 3) (< 1 |#Ultimate.C_memset_#amount|)), 13132#(and (<= 4 |#Ultimate.C_memset_#t~loopctr48|) (< 1 |#Ultimate.C_memset_#amount|) (<= |#Ultimate.C_memset_#t~loopctr48| 4)), 13133#(and (< 1 |#Ultimate.C_memset_#amount|) (<= |#Ultimate.C_memset_#t~loopctr48| 5)), 13134#(and (< 1 |#Ultimate.C_memset_#amount|) (<= 0 (+ (div (+ (- 17179869149) (* (- 7) |#Ultimate.C_memset_#amount|)) 4294967296) 5))), 13115#(not (= 12 |zalloc_or_die_#in~size|)), 13116#(and (= (mod (* (mod |calloc_model_#in~size| 4294967296) (mod calloc_model_~nmemb 4294967296)) 4294967296) (mod (* (mod calloc_model_~nmemb 4294967296) (mod calloc_model_~size 4294967296)) 4294967296)) (or (and (not (= calloc_model_~nmemb 1)) (not (= |calloc_model_#in~nmemb| 1))) (and (= |calloc_model_#in~nmemb| 1) (= calloc_model_~nmemb 1))))]
[2018-02-02 10:58:08,115 INFO  L134       CoverageAnalysis]: Checked inductivity of 728 backedges. 97 proven. 162 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked.
[2018-02-02 10:58:08,115 INFO  L409      AbstractCegarLoop]: Interpolant automaton has 16 states
[2018-02-02 10:58:08,115 INFO  L132   InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2018-02-02 10:58:08,115 INFO  L133   InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240
[2018-02-02 10:58:08,115 INFO  L87              Difference]: Start difference. First operand 281 states and 305 transitions. Second operand 16 states.
[2018-02-02 10:58:23,301 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-02 10:58:23,302 INFO  L93              Difference]: Finished difference Result 337 states and 366 transitions.
[2018-02-02 10:58:23,302 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2018-02-02 10:58:23,302 INFO  L78                 Accepts]: Start accepts. Automaton has 16 states. Word has length 157
[2018-02-02 10:58:23,302 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-02 10:58:23,303 INFO  L225             Difference]: With dead ends: 337
[2018-02-02 10:58:23,304 INFO  L226             Difference]: Without dead ends: 330
[2018-02-02 10:58:23,304 INFO  L554         BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=111, Invalid=701, Unknown=0, NotChecked=0, Total=812
[2018-02-02 10:58:23,304 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 330 states.
[2018-02-02 10:58:23,307 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 281.
[2018-02-02 10:58:23,307 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 281 states.
[2018-02-02 10:58:23,308 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 305 transitions.
[2018-02-02 10:58:23,308 INFO  L78                 Accepts]: Start accepts. Automaton has 281 states and 305 transitions. Word has length 157
[2018-02-02 10:58:23,309 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-02-02 10:58:23,309 INFO  L432      AbstractCegarLoop]: Abstraction has 281 states and 305 transitions.
[2018-02-02 10:58:23,309 INFO  L433      AbstractCegarLoop]: Interpolant automaton has 16 states.
[2018-02-02 10:58:23,309 INFO  L276                IsEmpty]: Start isEmpty. Operand 281 states and 305 transitions.
[2018-02-02 10:58:23,309 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 162
[2018-02-02 10:58:23,309 INFO  L343         BasicCegarLoop]: Found error trace
[2018-02-02 10:58:23,310 INFO  L351         BasicCegarLoop]: trace histogram [32, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-02 10:58:23,310 INFO  L371      AbstractCegarLoop]: === Iteration 20 === [l3_destroyErr0RequiresViolation, l3_destroyErr3RequiresViolation, l3_destroyErr1RequiresViolation, l3_destroyErr2RequiresViolation, l3_destroyErr4RequiresViolation, l3_destroyErr5RequiresViolation, l0_insertErr3RequiresViolation, l0_insertErr1RequiresViolation, l0_insertErr5RequiresViolation, l0_insertErr2RequiresViolation, l0_insertErr4RequiresViolation, l0_insertErr0RequiresViolation, l4_destroyErr4RequiresViolation, l4_destroyErr6RequiresViolation, l4_destroyErr2RequiresViolation, l4_destroyErr3RequiresViolation, l4_destroyErr1RequiresViolation, l4_destroyErr7RequiresViolation, l4_destroyErr0RequiresViolation, l4_destroyErr5RequiresViolation, l2_insertErr3RequiresViolation, l2_insertErr5RequiresViolation, l2_insertErr0RequiresViolation, l2_insertErr1RequiresViolation, l2_insertErr7RequiresViolation, l2_insertErr4RequiresViolation, l2_insertErr6RequiresViolation, l2_insertErr2RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation, l3_insertErr6RequiresViolation, l3_insertErr4RequiresViolation, l3_insertErr0RequiresViolation, l3_insertErr5RequiresViolation, l3_insertErr3RequiresViolation, l3_insertErr1RequiresViolation, l3_insertErr7RequiresViolation, l3_insertErr2RequiresViolation, l1_insertErr4RequiresViolation, l1_insertErr0RequiresViolation, l1_insertErr6RequiresViolation, l1_insertErr2RequiresViolation, l1_insertErr3RequiresViolation, l1_insertErr1RequiresViolation, l1_insertErr7RequiresViolation, l1_insertErr5RequiresViolation, l0_destroyErr5RequiresViolation, l0_destroyErr3RequiresViolation, l0_destroyErr1RequiresViolation, l0_destroyErr0RequiresViolation, l0_destroyErr4RequiresViolation, l0_destroyErr2RequiresViolation, calloc_modelErr0RequiresViolation, calloc_modelErr1RequiresViolation, l4_insertErr3RequiresViolation, l4_insertErr13RequiresViolation, l4_insertErr6RequiresViolation, l4_insertErr8RequiresViolation, l4_insertErr10RequiresViolation, l4_insertErr1RequiresViolation, l4_insertErr5RequiresViolation, l4_insertErr9RequiresViolation, l4_insertErr12RequiresViolation, l4_insertErr4RequiresViolation, l4_insertErr2RequiresViolation, l4_insertErr0RequiresViolation, l4_insertErr11RequiresViolation, l4_insertErr7RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, l1_destroyErr2RequiresViolation, l1_destroyErr4RequiresViolation, l1_destroyErr0RequiresViolation, l1_destroyErr1RequiresViolation, l1_destroyErr5RequiresViolation, l1_destroyErr3RequiresViolation, l2_destroyErr1RequiresViolation, l2_destroyErr0RequiresViolation, l2_destroyErr2RequiresViolation, l2_destroyErr4RequiresViolation, l2_destroyErr5RequiresViolation, l2_destroyErr3RequiresViolation]===
[2018-02-02 10:58:23,310 INFO  L82        PathProgramCache]: Analyzing trace with hash 2117236670, now seen corresponding path program 7 times
No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-02-02 10:58:23,312 INFO  L67    tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy
[2018-02-02 10:58:23,351 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:23,367 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:23,378 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:23,383 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:23,392 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:23,400 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:23,421 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:23,507 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:23,581 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:23,586 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:23,590 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:23,597 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:23,602 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:23,605 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:23,612 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:23,617 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:23,620 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:23,632 INFO  L134       CoverageAnalysis]: Checked inductivity of 866 backedges. 106 proven. 207 refuted. 0 times theorem prover too weak. 553 trivial. 0 not checked.
[2018-02-02 10:58:23,649 INFO  L320   seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2018-02-02 10:58:23,649 INFO  L335   seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17
[2018-02-02 10:58:23,649 INFO  L142   lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state
[2018-02-02 10:58:23,649 INFO  L134       CoverageAnalysis]: Checked inductivity of 180 backedges. 7 proven. 60 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked.
[2018-02-02 10:58:23,649 INFO  L182   omatonBuilderFactory]: Interpolants [13861#true, 13862#false, 13990#(and (= |~#list~0.base| |old(~#list~0.base)|) (= |#valid| |old(#valid)|) (= |~#list~0.offset| |old(~#list~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 13991#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 14025#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 14026#(or (and (= zalloc_or_die_~size 12) (= |zalloc_or_die_#in~size| 12)) (and (not (= zalloc_or_die_~size 12)) (not (= |zalloc_or_die_#in~size| 12)))), 14058#(not (= (mod (* (mod |calloc_model_#in~nmemb| 4294967296) (mod |calloc_model_#in~size| 4294967296)) 4294967296) 12)), 14059#(= 0 |#Ultimate.C_memset_#t~loopctr48|), 14060#(= 1 |#Ultimate.C_memset_#t~loopctr48|), 14061#(<= |#Ultimate.C_memset_#t~loopctr48| 2), 14062#(<= |#Ultimate.C_memset_#t~loopctr48| 3), 14063#(<= |#Ultimate.C_memset_#t~loopctr48| 4), 14064#(<= |#Ultimate.C_memset_#t~loopctr48| 5), 14065#(<= |#Ultimate.C_memset_#t~loopctr48| 6), 14066#(not (= |#Ultimate.C_memset_#amount| 12)), 14045#(not (= 12 |zalloc_or_die_#in~size|)), 14046#(= (mod (* (mod |calloc_model_#in~nmemb| 4294967296) (mod |calloc_model_#in~size| 4294967296)) 4294967296) (mod (* (mod calloc_model_~nmemb 4294967296) (mod calloc_model_~size 4294967296)) 4294967296))]
[2018-02-02 10:58:23,650 INFO  L134       CoverageAnalysis]: Checked inductivity of 866 backedges. 106 proven. 207 refuted. 0 times theorem prover too weak. 553 trivial. 0 not checked.
[2018-02-02 10:58:23,650 INFO  L409      AbstractCegarLoop]: Interpolant automaton has 17 states
[2018-02-02 10:58:23,650 INFO  L132   InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants.
[2018-02-02 10:58:23,650 INFO  L133   InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272
[2018-02-02 10:58:23,650 INFO  L87              Difference]: Start difference. First operand 281 states and 305 transitions. Second operand 17 states.
[2018-02-02 10:58:24,874 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-02 10:58:24,874 INFO  L93              Difference]: Finished difference Result 339 states and 368 transitions.
[2018-02-02 10:58:24,874 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2018-02-02 10:58:24,874 INFO  L78                 Accepts]: Start accepts. Automaton has 17 states. Word has length 161
[2018-02-02 10:58:24,874 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-02 10:58:24,875 INFO  L225             Difference]: With dead ends: 339
[2018-02-02 10:58:24,875 INFO  L226             Difference]: Without dead ends: 332
[2018-02-02 10:58:24,876 INFO  L554         BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=192, Invalid=930, Unknown=0, NotChecked=0, Total=1122
[2018-02-02 10:58:24,876 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 332 states.
[2018-02-02 10:58:24,880 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 281.
[2018-02-02 10:58:24,880 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 281 states.
[2018-02-02 10:58:24,881 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 305 transitions.
[2018-02-02 10:58:24,881 INFO  L78                 Accepts]: Start accepts. Automaton has 281 states and 305 transitions. Word has length 161
[2018-02-02 10:58:24,882 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-02-02 10:58:24,882 INFO  L432      AbstractCegarLoop]: Abstraction has 281 states and 305 transitions.
[2018-02-02 10:58:24,882 INFO  L433      AbstractCegarLoop]: Interpolant automaton has 17 states.
[2018-02-02 10:58:24,882 INFO  L276                IsEmpty]: Start isEmpty. Operand 281 states and 305 transitions.
[2018-02-02 10:58:24,883 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 166
[2018-02-02 10:58:24,883 INFO  L343         BasicCegarLoop]: Found error trace
[2018-02-02 10:58:24,883 INFO  L351         BasicCegarLoop]: trace histogram [36, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-02 10:58:24,883 INFO  L371      AbstractCegarLoop]: === Iteration 21 === [l3_destroyErr0RequiresViolation, l3_destroyErr3RequiresViolation, l3_destroyErr1RequiresViolation, l3_destroyErr2RequiresViolation, l3_destroyErr4RequiresViolation, l3_destroyErr5RequiresViolation, l0_insertErr3RequiresViolation, l0_insertErr1RequiresViolation, l0_insertErr5RequiresViolation, l0_insertErr2RequiresViolation, l0_insertErr4RequiresViolation, l0_insertErr0RequiresViolation, l4_destroyErr4RequiresViolation, l4_destroyErr6RequiresViolation, l4_destroyErr2RequiresViolation, l4_destroyErr3RequiresViolation, l4_destroyErr1RequiresViolation, l4_destroyErr7RequiresViolation, l4_destroyErr0RequiresViolation, l4_destroyErr5RequiresViolation, l2_insertErr3RequiresViolation, l2_insertErr5RequiresViolation, l2_insertErr0RequiresViolation, l2_insertErr1RequiresViolation, l2_insertErr7RequiresViolation, l2_insertErr4RequiresViolation, l2_insertErr6RequiresViolation, l2_insertErr2RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation, l3_insertErr6RequiresViolation, l3_insertErr4RequiresViolation, l3_insertErr0RequiresViolation, l3_insertErr5RequiresViolation, l3_insertErr3RequiresViolation, l3_insertErr1RequiresViolation, l3_insertErr7RequiresViolation, l3_insertErr2RequiresViolation, l1_insertErr4RequiresViolation, l1_insertErr0RequiresViolation, l1_insertErr6RequiresViolation, l1_insertErr2RequiresViolation, l1_insertErr3RequiresViolation, l1_insertErr1RequiresViolation, l1_insertErr7RequiresViolation, l1_insertErr5RequiresViolation, l0_destroyErr5RequiresViolation, l0_destroyErr3RequiresViolation, l0_destroyErr1RequiresViolation, l0_destroyErr0RequiresViolation, l0_destroyErr4RequiresViolation, l0_destroyErr2RequiresViolation, calloc_modelErr0RequiresViolation, calloc_modelErr1RequiresViolation, l4_insertErr3RequiresViolation, l4_insertErr13RequiresViolation, l4_insertErr6RequiresViolation, l4_insertErr8RequiresViolation, l4_insertErr10RequiresViolation, l4_insertErr1RequiresViolation, l4_insertErr5RequiresViolation, l4_insertErr9RequiresViolation, l4_insertErr12RequiresViolation, l4_insertErr4RequiresViolation, l4_insertErr2RequiresViolation, l4_insertErr0RequiresViolation, l4_insertErr11RequiresViolation, l4_insertErr7RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, l1_destroyErr2RequiresViolation, l1_destroyErr4RequiresViolation, l1_destroyErr0RequiresViolation, l1_destroyErr1RequiresViolation, l1_destroyErr5RequiresViolation, l1_destroyErr3RequiresViolation, l2_destroyErr1RequiresViolation, l2_destroyErr0RequiresViolation, l2_destroyErr2RequiresViolation, l2_destroyErr4RequiresViolation, l2_destroyErr5RequiresViolation, l2_destroyErr3RequiresViolation]===
[2018-02-02 10:58:24,883 INFO  L82        PathProgramCache]: Analyzing trace with hash 1531604358, now seen corresponding path program 8 times
No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-02-02 10:58:24,889 INFO  L67    tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy
[2018-02-02 10:58:24,926 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:24,940 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:24,949 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:24,953 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:24,960 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:24,967 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:24,985 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:25,658 WARN  L146               SmtUtils]: Spent 656ms on a formula simplification. DAG size of input: 40 DAG size of output 22
[2018-02-02 10:58:25,703 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:25,796 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:25,800 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:25,803 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:25,809 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:25,814 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:25,818 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:25,825 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:25,831 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:25,842 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:25,864 INFO  L134       CoverageAnalysis]: Checked inductivity of 1020 backedges. 115 proven. 259 refuted. 0 times theorem prover too weak. 646 trivial. 0 not checked.
[2018-02-02 10:58:25,883 INFO  L320   seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2018-02-02 10:58:25,883 INFO  L335   seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18
[2018-02-02 10:58:25,883 INFO  L142   lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state
[2018-02-02 10:58:25,883 INFO  L134       CoverageAnalysis]: Checked inductivity of 190 backedges. 8 proven. 63 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked.
[2018-02-02 10:58:25,883 INFO  L182   omatonBuilderFactory]: Interpolants [14977#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 14978#(or (and (= zalloc_or_die_~size 12) (= |zalloc_or_die_#in~size| 12)) (and (not (= zalloc_or_die_~size 12)) (not (= |zalloc_or_die_#in~size| 12)))), 15012#(or (not (= (mod |calloc_model_#in~size| 4294967296) 12)) (not (= |calloc_model_#in~nmemb| 1))), 15013#(= 0 |#Ultimate.C_memset_#t~loopctr48|), 15014#(= 1 |#Ultimate.C_memset_#t~loopctr48|), 15015#(and (= |#Ultimate.C_memset_#t~loopctr48| 2) (< 1 |#Ultimate.C_memset_#amount|)), 15016#(and (<= |#Ultimate.C_memset_#t~loopctr48| 3) (< 1 |#Ultimate.C_memset_#amount|)), 15017#(and (< 1 |#Ultimate.C_memset_#amount|) (<= |#Ultimate.C_memset_#t~loopctr48| 4)), 15018#(and (< 1 |#Ultimate.C_memset_#amount|) (<= |#Ultimate.C_memset_#t~loopctr48| 5)), 15019#(and (<= |#Ultimate.C_memset_#t~loopctr48| 6) (< 1 |#Ultimate.C_memset_#amount|)), 15020#(and (< 1 |#Ultimate.C_memset_#amount|) (<= |#Ultimate.C_memset_#t~loopctr48| 7)), 15021#(and (<= |#Ultimate.C_memset_#amount| 7) (< 1 |#Ultimate.C_memset_#amount|)), 14998#(not (= 12 |zalloc_or_die_#in~size|)), 14999#(and (= (mod (* (mod |calloc_model_#in~size| 4294967296) (mod calloc_model_~nmemb 4294967296)) 4294967296) (mod (* (mod calloc_model_~nmemb 4294967296) (mod calloc_model_~size 4294967296)) 4294967296)) (or (and (not (= calloc_model_~nmemb 1)) (not (= |calloc_model_#in~nmemb| 1))) (and (= |calloc_model_#in~nmemb| 1) (= calloc_model_~nmemb 1)))), 14809#true, 14810#false, 14942#(and (= |~#list~0.base| |old(~#list~0.base)|) (= |#valid| |old(#valid)|) (= |~#list~0.offset| |old(~#list~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 14943#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))]
[2018-02-02 10:58:25,884 INFO  L134       CoverageAnalysis]: Checked inductivity of 1020 backedges. 115 proven. 259 refuted. 0 times theorem prover too weak. 646 trivial. 0 not checked.
[2018-02-02 10:58:25,884 INFO  L409      AbstractCegarLoop]: Interpolant automaton has 18 states
[2018-02-02 10:58:25,884 INFO  L132   InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants.
[2018-02-02 10:58:25,884 INFO  L133   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306
[2018-02-02 10:58:25,884 INFO  L87              Difference]: Start difference. First operand 281 states and 305 transitions. Second operand 18 states.
[2018-02-02 10:58:27,786 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-02 10:58:27,786 INFO  L93              Difference]: Finished difference Result 339 states and 367 transitions.
[2018-02-02 10:58:27,786 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. 
[2018-02-02 10:58:27,786 INFO  L78                 Accepts]: Start accepts. Automaton has 18 states. Word has length 165
[2018-02-02 10:58:27,786 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-02 10:58:27,787 INFO  L225             Difference]: With dead ends: 339
[2018-02-02 10:58:27,787 INFO  L226             Difference]: Without dead ends: 332
[2018-02-02 10:58:27,787 INFO  L554         BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=159, Invalid=897, Unknown=0, NotChecked=0, Total=1056
[2018-02-02 10:58:27,788 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 332 states.
[2018-02-02 10:58:27,791 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 279.
[2018-02-02 10:58:27,791 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 279 states.
[2018-02-02 10:58:27,792 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 302 transitions.
[2018-02-02 10:58:27,792 INFO  L78                 Accepts]: Start accepts. Automaton has 279 states and 302 transitions. Word has length 165
[2018-02-02 10:58:27,792 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-02-02 10:58:27,792 INFO  L432      AbstractCegarLoop]: Abstraction has 279 states and 302 transitions.
[2018-02-02 10:58:27,792 INFO  L433      AbstractCegarLoop]: Interpolant automaton has 18 states.
[2018-02-02 10:58:27,792 INFO  L276                IsEmpty]: Start isEmpty. Operand 279 states and 302 transitions.
[2018-02-02 10:58:27,793 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 170
[2018-02-02 10:58:27,793 INFO  L343         BasicCegarLoop]: Found error trace
[2018-02-02 10:58:27,793 INFO  L351         BasicCegarLoop]: trace histogram [40, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-02 10:58:27,793 INFO  L371      AbstractCegarLoop]: === Iteration 22 === [l3_destroyErr0RequiresViolation, l3_destroyErr3RequiresViolation, l3_destroyErr1RequiresViolation, l3_destroyErr2RequiresViolation, l3_destroyErr4RequiresViolation, l3_destroyErr5RequiresViolation, l0_insertErr3RequiresViolation, l0_insertErr1RequiresViolation, l0_insertErr5RequiresViolation, l0_insertErr2RequiresViolation, l0_insertErr4RequiresViolation, l0_insertErr0RequiresViolation, l4_destroyErr4RequiresViolation, l4_destroyErr6RequiresViolation, l4_destroyErr2RequiresViolation, l4_destroyErr3RequiresViolation, l4_destroyErr1RequiresViolation, l4_destroyErr7RequiresViolation, l4_destroyErr0RequiresViolation, l4_destroyErr5RequiresViolation, l2_insertErr3RequiresViolation, l2_insertErr5RequiresViolation, l2_insertErr0RequiresViolation, l2_insertErr1RequiresViolation, l2_insertErr7RequiresViolation, l2_insertErr4RequiresViolation, l2_insertErr6RequiresViolation, l2_insertErr2RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation, l3_insertErr6RequiresViolation, l3_insertErr4RequiresViolation, l3_insertErr0RequiresViolation, l3_insertErr5RequiresViolation, l3_insertErr3RequiresViolation, l3_insertErr1RequiresViolation, l3_insertErr7RequiresViolation, l3_insertErr2RequiresViolation, l1_insertErr4RequiresViolation, l1_insertErr0RequiresViolation, l1_insertErr6RequiresViolation, l1_insertErr2RequiresViolation, l1_insertErr3RequiresViolation, l1_insertErr1RequiresViolation, l1_insertErr7RequiresViolation, l1_insertErr5RequiresViolation, l0_destroyErr5RequiresViolation, l0_destroyErr3RequiresViolation, l0_destroyErr1RequiresViolation, l0_destroyErr0RequiresViolation, l0_destroyErr4RequiresViolation, l0_destroyErr2RequiresViolation, calloc_modelErr0RequiresViolation, calloc_modelErr1RequiresViolation, l4_insertErr3RequiresViolation, l4_insertErr13RequiresViolation, l4_insertErr6RequiresViolation, l4_insertErr8RequiresViolation, l4_insertErr10RequiresViolation, l4_insertErr1RequiresViolation, l4_insertErr5RequiresViolation, l4_insertErr9RequiresViolation, l4_insertErr12RequiresViolation, l4_insertErr4RequiresViolation, l4_insertErr2RequiresViolation, l4_insertErr0RequiresViolation, l4_insertErr11RequiresViolation, l4_insertErr7RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, l1_destroyErr2RequiresViolation, l1_destroyErr4RequiresViolation, l1_destroyErr0RequiresViolation, l1_destroyErr1RequiresViolation, l1_destroyErr5RequiresViolation, l1_destroyErr3RequiresViolation, l2_destroyErr1RequiresViolation, l2_destroyErr0RequiresViolation, l2_destroyErr2RequiresViolation, l2_destroyErr4RequiresViolation, l2_destroyErr5RequiresViolation, l2_destroyErr3RequiresViolation]===
[2018-02-02 10:58:27,794 INFO  L82        PathProgramCache]: Analyzing trace with hash 1864257854, now seen corresponding path program 9 times
No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-02-02 10:58:27,798 INFO  L67    tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy
[2018-02-02 10:58:27,849 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:27,877 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:27,887 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:27,891 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:27,898 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:27,905 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:27,924 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:28,008 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:28,092 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:28,096 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:28,099 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:28,105 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:28,109 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:28,112 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:28,118 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:28,122 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:28,125 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:28,137 INFO  L134       CoverageAnalysis]: Checked inductivity of 1190 backedges. 124 proven. 318 refuted. 0 times theorem prover too weak. 748 trivial. 0 not checked.
[2018-02-02 10:58:28,153 INFO  L320   seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2018-02-02 10:58:28,153 INFO  L335   seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19
[2018-02-02 10:58:28,153 INFO  L142   lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state
[2018-02-02 10:58:28,153 INFO  L134       CoverageAnalysis]: Checked inductivity of 208 backedges. 11 proven. 66 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked.
[2018-02-02 10:58:28,153 INFO  L182   omatonBuilderFactory]: Interpolants [15936#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 15937#(or (and (= zalloc_or_die_~size 12) (= |zalloc_or_die_#in~size| 12)) (and (not (= zalloc_or_die_~size 12)) (not (= |zalloc_or_die_#in~size| 12)))), 15973#(not (= (mod (* (mod |calloc_model_#in~nmemb| 4294967296) (mod |calloc_model_#in~size| 4294967296)) 4294967296) 12)), 15974#(= 0 |#Ultimate.C_memset_#t~loopctr48|), 15975#(= 1 |#Ultimate.C_memset_#t~loopctr48|), 15976#(<= |#Ultimate.C_memset_#t~loopctr48| 2), 15977#(<= |#Ultimate.C_memset_#t~loopctr48| 3), 15978#(<= |#Ultimate.C_memset_#t~loopctr48| 4), 15979#(<= |#Ultimate.C_memset_#t~loopctr48| 5), 15980#(<= |#Ultimate.C_memset_#t~loopctr48| 6), 15981#(<= |#Ultimate.C_memset_#t~loopctr48| 7), 15982#(<= |#Ultimate.C_memset_#t~loopctr48| 8), 15983#(not (= 12 |#Ultimate.C_memset_#amount|)), 15764#true, 15765#false, 15958#(not (= 12 |zalloc_or_die_#in~size|)), 15959#(= (mod (* (mod |calloc_model_#in~nmemb| 4294967296) (mod |calloc_model_#in~size| 4294967296)) 4294967296) (mod (* (mod calloc_model_~nmemb 4294967296) (mod calloc_model_~size 4294967296)) 4294967296)), 15901#(and (= |~#list~0.base| |old(~#list~0.base)|) (= |#valid| |old(#valid)|) (= |~#list~0.offset| |old(~#list~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 15902#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))]
[2018-02-02 10:58:28,154 INFO  L134       CoverageAnalysis]: Checked inductivity of 1190 backedges. 124 proven. 318 refuted. 0 times theorem prover too weak. 748 trivial. 0 not checked.
[2018-02-02 10:58:28,154 INFO  L409      AbstractCegarLoop]: Interpolant automaton has 19 states
[2018-02-02 10:58:28,154 INFO  L132   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2018-02-02 10:58:28,154 INFO  L133   InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342
[2018-02-02 10:58:28,154 INFO  L87              Difference]: Start difference. First operand 279 states and 302 transitions. Second operand 19 states.
[2018-02-02 10:58:29,345 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-02 10:58:29,345 INFO  L93              Difference]: Finished difference Result 345 states and 375 transitions.
[2018-02-02 10:58:29,345 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. 
[2018-02-02 10:58:29,345 INFO  L78                 Accepts]: Start accepts. Automaton has 19 states. Word has length 169
[2018-02-02 10:58:29,345 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-02 10:58:29,346 INFO  L225             Difference]: With dead ends: 345
[2018-02-02 10:58:29,346 INFO  L226             Difference]: Without dead ends: 338
[2018-02-02 10:58:29,347 INFO  L554         BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=251, Invalid=1155, Unknown=0, NotChecked=0, Total=1406
[2018-02-02 10:58:29,347 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 338 states.
[2018-02-02 10:58:29,350 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 282.
[2018-02-02 10:58:29,350 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 282 states.
[2018-02-02 10:58:29,351 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 307 transitions.
[2018-02-02 10:58:29,351 INFO  L78                 Accepts]: Start accepts. Automaton has 282 states and 307 transitions. Word has length 169
[2018-02-02 10:58:29,351 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-02-02 10:58:29,351 INFO  L432      AbstractCegarLoop]: Abstraction has 282 states and 307 transitions.
[2018-02-02 10:58:29,351 INFO  L433      AbstractCegarLoop]: Interpolant automaton has 19 states.
[2018-02-02 10:58:29,352 INFO  L276                IsEmpty]: Start isEmpty. Operand 282 states and 307 transitions.
[2018-02-02 10:58:29,352 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 174
[2018-02-02 10:58:29,352 INFO  L343         BasicCegarLoop]: Found error trace
[2018-02-02 10:58:29,352 INFO  L351         BasicCegarLoop]: trace histogram [44, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-02 10:58:29,353 INFO  L371      AbstractCegarLoop]: === Iteration 23 === [l3_destroyErr0RequiresViolation, l3_destroyErr3RequiresViolation, l3_destroyErr1RequiresViolation, l3_destroyErr2RequiresViolation, l3_destroyErr4RequiresViolation, l3_destroyErr5RequiresViolation, l0_insertErr3RequiresViolation, l0_insertErr1RequiresViolation, l0_insertErr5RequiresViolation, l0_insertErr2RequiresViolation, l0_insertErr4RequiresViolation, l0_insertErr0RequiresViolation, l4_destroyErr4RequiresViolation, l4_destroyErr6RequiresViolation, l4_destroyErr2RequiresViolation, l4_destroyErr3RequiresViolation, l4_destroyErr1RequiresViolation, l4_destroyErr7RequiresViolation, l4_destroyErr0RequiresViolation, l4_destroyErr5RequiresViolation, l2_insertErr3RequiresViolation, l2_insertErr5RequiresViolation, l2_insertErr0RequiresViolation, l2_insertErr1RequiresViolation, l2_insertErr7RequiresViolation, l2_insertErr4RequiresViolation, l2_insertErr6RequiresViolation, l2_insertErr2RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation, l3_insertErr6RequiresViolation, l3_insertErr4RequiresViolation, l3_insertErr0RequiresViolation, l3_insertErr5RequiresViolation, l3_insertErr3RequiresViolation, l3_insertErr1RequiresViolation, l3_insertErr7RequiresViolation, l3_insertErr2RequiresViolation, l1_insertErr4RequiresViolation, l1_insertErr0RequiresViolation, l1_insertErr6RequiresViolation, l1_insertErr2RequiresViolation, l1_insertErr3RequiresViolation, l1_insertErr1RequiresViolation, l1_insertErr7RequiresViolation, l1_insertErr5RequiresViolation, l0_destroyErr5RequiresViolation, l0_destroyErr3RequiresViolation, l0_destroyErr1RequiresViolation, l0_destroyErr0RequiresViolation, l0_destroyErr4RequiresViolation, l0_destroyErr2RequiresViolation, calloc_modelErr0RequiresViolation, calloc_modelErr1RequiresViolation, l4_insertErr3RequiresViolation, l4_insertErr13RequiresViolation, l4_insertErr6RequiresViolation, l4_insertErr8RequiresViolation, l4_insertErr10RequiresViolation, l4_insertErr1RequiresViolation, l4_insertErr5RequiresViolation, l4_insertErr9RequiresViolation, l4_insertErr12RequiresViolation, l4_insertErr4RequiresViolation, l4_insertErr2RequiresViolation, l4_insertErr0RequiresViolation, l4_insertErr11RequiresViolation, l4_insertErr7RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, l1_destroyErr2RequiresViolation, l1_destroyErr4RequiresViolation, l1_destroyErr0RequiresViolation, l1_destroyErr1RequiresViolation, l1_destroyErr5RequiresViolation, l1_destroyErr3RequiresViolation, l2_destroyErr1RequiresViolation, l2_destroyErr0RequiresViolation, l2_destroyErr2RequiresViolation, l2_destroyErr4RequiresViolation, l2_destroyErr5RequiresViolation, l2_destroyErr3RequiresViolation]===
[2018-02-02 10:58:29,353 INFO  L82        PathProgramCache]: Analyzing trace with hash -1463083002, now seen corresponding path program 10 times
No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-02-02 10:58:29,360 INFO  L67    tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy
[2018-02-02 10:58:29,395 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:29,409 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:29,417 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:29,421 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:29,427 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:29,433 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:29,452 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:30,061 WARN  L146               SmtUtils]: Spent 593ms on a formula simplification. DAG size of input: 40 DAG size of output 22
[2018-02-02 10:58:30,154 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:34,786 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:34,791 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:34,794 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:34,799 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:34,804 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:34,807 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:34,812 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:34,816 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:34,820 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:58:34,835 INFO  L134       CoverageAnalysis]: Checked inductivity of 1376 backedges. 133 proven. 384 refuted. 0 times theorem prover too weak. 859 trivial. 0 not checked.
[2018-02-02 10:58:34,850 INFO  L320   seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2018-02-02 10:58:34,850 INFO  L335   seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20
[2018-02-02 10:58:34,850 INFO  L142   lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state
[2018-02-02 10:58:34,851 INFO  L134       CoverageAnalysis]: Checked inductivity of 206 backedges. 9 proven. 69 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked.
[2018-02-02 10:58:34,851 INFO  L182   omatonBuilderFactory]: Interpolants [16964#(or (not (= (mod |calloc_model_#in~size| 4294967296) 12)) (not (= |calloc_model_#in~nmemb| 1))), 16965#(= 0 |#Ultimate.C_memset_#t~loopctr48|), 16966#(= 1 |#Ultimate.C_memset_#t~loopctr48|), 16967#(and (<= |#Ultimate.C_memset_#t~loopctr48| 2) (<= 2 |#Ultimate.C_memset_#t~loopctr48|)), 16968#(and (<= 3 |#Ultimate.C_memset_#t~loopctr48|) (<= |#Ultimate.C_memset_#t~loopctr48| 3)), 16969#(and (<= 4 |#Ultimate.C_memset_#t~loopctr48|) (<= |#Ultimate.C_memset_#t~loopctr48| 4)), 16970#(and (<= 5 |#Ultimate.C_memset_#t~loopctr48|) (<= |#Ultimate.C_memset_#t~loopctr48| 5)), 16971#(and (<= |#Ultimate.C_memset_#t~loopctr48| 6) (<= 6 |#Ultimate.C_memset_#t~loopctr48|)), 16972#(and (<= 7 |#Ultimate.C_memset_#t~loopctr48|) (<= |#Ultimate.C_memset_#t~loopctr48| 7)), 16749#true, 16973#(and (<= |#Ultimate.C_memset_#t~loopctr48| 8) (<= 8 |#Ultimate.C_memset_#t~loopctr48|)), 16750#false, 16974#(and (< 8 |#Ultimate.C_memset_#amount|) (<= (* 3 |#Ultimate.C_memset_#t~loopctr48|) (+ (div (+ (- 25769803749) (* 4294967293 |#Ultimate.C_memset_#amount|)) 4294967296) 4294967320))), 16975#(and (< 8 |#Ultimate.C_memset_#amount|) (<= (* 4294967296 |#Ultimate.C_memset_#amount|) (+ (* 4294967293 |#Ultimate.C_memset_#t~loopctr48|) (div (+ (- 25769803749) (* 4294967293 |#Ultimate.C_memset_#amount|)) 4294967296) 4294967320))), 16948#(not (= 12 |zalloc_or_die_#in~size|)), 16949#(and (= (mod (* (mod |calloc_model_#in~size| 4294967296) (mod calloc_model_~nmemb 4294967296)) 4294967296) (mod (* (mod calloc_model_~nmemb 4294967296) (mod calloc_model_~size 4294967296)) 4294967296)) (or (and (not (= calloc_model_~nmemb 1)) (not (= |calloc_model_#in~nmemb| 1))) (and (= |calloc_model_#in~nmemb| 1) (= calloc_model_~nmemb 1)))), 16890#(and (= |~#list~0.base| |old(~#list~0.base)|) (= |#valid| |old(#valid)|) (= |~#list~0.offset| |old(~#list~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 16891#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 16925#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 16926#(or (and (= zalloc_or_die_~size 12) (= |zalloc_or_die_#in~size| 12)) (and (not (= zalloc_or_die_~size 12)) (not (= |zalloc_or_die_#in~size| 12))))]
[2018-02-02 10:58:34,851 INFO  L134       CoverageAnalysis]: Checked inductivity of 1376 backedges. 133 proven. 384 refuted. 0 times theorem prover too weak. 859 trivial. 0 not checked.
[2018-02-02 10:58:34,851 INFO  L409      AbstractCegarLoop]: Interpolant automaton has 20 states
[2018-02-02 10:58:34,852 INFO  L132   InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants.
[2018-02-02 10:58:34,852 INFO  L133   InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=338, Unknown=2, NotChecked=0, Total=380
[2018-02-02 10:58:34,852 INFO  L87              Difference]: Start difference. First operand 282 states and 307 transitions. Second operand 20 states.
[2018-02-02 10:58:38,547 WARN  L143               SmtUtils]: Spent 318ms on a formula simplification that was a NOOP. DAG size: 21
Received shutdown request...
[2018-02-02 10:58:56,495 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. 
[2018-02-02 10:58:56,495 WARN  L491      AbstractCegarLoop]: Verification canceled
[2018-02-02 10:58:56,500 WARN  L185   ceAbstractionStarter]: Timeout
[2018-02-02 10:58:56,500 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.02 10:58:56 BoogieIcfgContainer
[2018-02-02 10:58:56,500 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2018-02-02 10:58:56,500 INFO  L168              Benchmark]: Toolchain (without parser) took 71650.75 ms. Allocated memory was 404.2 MB in the beginning and 959.4 MB in the end (delta: 555.2 MB). Free memory was 360.9 MB in the beginning and 800.4 MB in the end (delta: -439.5 MB). Peak memory consumption was 115.7 MB. Max. memory is 5.3 GB.
[2018-02-02 10:58:56,501 INFO  L168              Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 404.2 MB. Free memory is still 367.5 MB. There was no memory consumed. Max. memory is 5.3 GB.
[2018-02-02 10:58:56,502 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 176.09 ms. Allocated memory is still 404.2 MB. Free memory was 360.9 MB in the beginning and 348.9 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 5.3 GB.
[2018-02-02 10:58:56,502 INFO  L168              Benchmark]: Boogie Preprocessor took 35.85 ms. Allocated memory is still 404.2 MB. Free memory was 347.6 MB in the beginning and 346.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB.
[2018-02-02 10:58:56,502 INFO  L168              Benchmark]: RCFGBuilder took 458.76 ms. Allocated memory is still 404.2 MB. Free memory was 346.2 MB in the beginning and 289.2 MB in the end (delta: 57.1 MB). Peak memory consumption was 57.1 MB. Max. memory is 5.3 GB.
[2018-02-02 10:58:56,502 INFO  L168              Benchmark]: TraceAbstraction took 70977.17 ms. Allocated memory was 404.2 MB in the beginning and 959.4 MB in the end (delta: 555.2 MB). Free memory was 289.2 MB in the beginning and 800.4 MB in the end (delta: -511.2 MB). Peak memory consumption was 44.0 MB. Max. memory is 5.3 GB.
[2018-02-02 10:58:56,504 INFO  L344   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.14 ms. Allocated memory is still 404.2 MB. Free memory is still 367.5 MB. There was no memory consumed. Max. memory is 5.3 GB.
 * CACSL2BoogieTranslator took 176.09 ms. Allocated memory is still 404.2 MB. Free memory was 360.9 MB in the beginning and 348.9 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 5.3 GB.
 * Boogie Preprocessor took 35.85 ms. Allocated memory is still 404.2 MB. Free memory was 347.6 MB in the beginning and 346.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB.
 * RCFGBuilder took 458.76 ms. Allocated memory is still 404.2 MB. Free memory was 346.2 MB in the beginning and 289.2 MB in the end (delta: 57.1 MB). Peak memory consumption was 57.1 MB. Max. memory is 5.3 GB.
 * TraceAbstraction took 70977.17 ms. Allocated memory was 404.2 MB in the beginning and 959.4 MB in the end (delta: 555.2 MB). Free memory was 289.2 MB in the beginning and 800.4 MB in the end (delta: -511.2 MB). Peak memory consumption was 44.0 MB. Max. memory is 5.3 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 837). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 838). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 837). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 838). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that free always succeeds (line 839). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that free always succeeds (line 839). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 821). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 821). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 822). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 821). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 822). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 821). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 828). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that free always succeeds (line 829). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that free always succeeds (line 827). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that free always succeeds (line 827). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 827). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that free always succeeds (line 829). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 827). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 828). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 802). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 802). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 801). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 801). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 803). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 802). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 803). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 802). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 880). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 874]: Timeout (TraceAbstraction)
    Unable to prove that all allocated memory was freed (line 874). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 880). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 793). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 792). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 791). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 792). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 792). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 791). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 793). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 792). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 812). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 811). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 813). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 812). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 812). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 811). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 813). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 812). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that free always succeeds (line 869). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 868). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 867). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 867). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that free always succeeds (line 869). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 868). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: -1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 742). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: -1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 742). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 780). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 783). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 781). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 782). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 782). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 779). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 780). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 782). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 783). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 780). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 780). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 779). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 782). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 781). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 876). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 876). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 858). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that free always succeeds (line 859). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 857). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 857). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that free always succeeds (line 859). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 858). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 847). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 847). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 848). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that free always succeeds (line 849). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that free always succeeds (line 849). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction)
    Unable to prove that pointer dereference always succeeds (line 848). Cancelled  while BasicCegarLoop was constructing difference of abstraction (282states) and interpolant automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (289 states constructedinput type IntersectNwa).
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 16 procedures, 250 locations, 83 error locations. TIMEOUT Result, 70.9s OverallTime, 23 OverallIterations, 44 TraceHistogramMax, 58.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5279 SDtfs, 3534 SDslu, 32296 SDs, 0 SdLazy, 33589 SolverSat, 1243 SolverUnsat, 25 SolverUnknown, 0 SolverNotchecked, 49.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 933 GetRequests, 409 SyntacticMatches, 0 SemanticMatches, 524 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 2014 ImplicationChecksByTransitivity, 14.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=282occurred in iteration=22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 5730/7484 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 22 MinimizatonAttempts, 1033 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 10.7s InterpolantComputationTime, 1988 NumberOfCodeBlocks, 1988 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 1965 ConstructedInterpolants, 8 QuantifiedInterpolants, 866176 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 6 PerfectInterpolantSequences, 5730/7484 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: Timeout
Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-02_10-58-56-513.csv
Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-02-02_10-58-56-513.csv
Completed graceful shutdown