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/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/memsetNonZero2_true-valid-memsafety_true-termination.c
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This is Ultimate 0.1.23-835382a-m
[2018-04-05 17:57:50,903 INFO L170 SettingsManager]: Resetting all preferences to default values...
[2018-04-05 17:57:50,906 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values
[2018-04-05 17:57:50,945 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2018-04-05 17:57:50,946 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2018-04-05 17:57:50,947 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2018-04-05 17:57:50,953 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2018-04-05 17:57:50,963 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values
[2018-04-05 17:57:50,966 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2018-04-05 17:57:50,967 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2018-04-05 17:57:50,974 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2018-04-05 17:57:50,974 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values
[2018-04-05 17:57:50,975 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2018-04-05 17:57:50,988 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2018-04-05 17:57:50,989 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2018-04-05 17:57:51,009 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2018-04-05 17:57:51,011 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values
[2018-04-05 17:57:51,027 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2018-04-05 17:57:51,028 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2018-04-05 17:57:51,030 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2018-04-05 17:57:51,043 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2018-04-05 17:57:51,044 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2018-04-05 17:57:51,044 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2018-04-05 17:57:51,045 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values
[2018-04-05 17:57:51,046 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values
[2018-04-05 17:57:51,059 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2018-04-05 17:57:51,059 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values
[2018-04-05 17:57:51,060 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2018-04-05 17:57:51,061 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2018-04-05 17:57:51,062 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values
[2018-04-05 17:57:51,062 INFO L181 SettingsManager]: Finished resetting all preferences to default values...
[2018-04-05 17:57:51,064 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf
[2018-04-05 17:57:51,137 INFO L110 SettingsManager]: Loading preferences was successful
[2018-04-05 17:57:51,138 INFO L112 SettingsManager]: Preferences different from defaults after loading the file:
[2018-04-05 17:57:51,138 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2018-04-05 17:57:51,138 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG;
[2018-04-05 17:57:51,139 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2018-04-05 17:57:51,139 INFO L133 SettingsManager]: * to procedures, called more than once=true
[2018-04-05 17:57:51,139 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2018-04-05 17:57:51,140 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain
[2018-04-05 17:57:51,140 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true
[2018-04-05 17:57:51,144 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults:
[2018-04-05 17:57:51,145 INFO L133 SettingsManager]: * Property to check=[] a
a: x > 42
[2018-04-05 17:57:51,145 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2018-04-05 17:57:51,145 INFO L133 SettingsManager]: * sizeof long=4
[2018-04-05 17:57:51,145 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2018-04-05 17:57:51,145 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true
[2018-04-05 17:57:51,146 INFO L133 SettingsManager]: * sizeof POINTER=4
[2018-04-05 17:57:51,146 INFO L133 SettingsManager]: * Check division by zero=IGNORE
[2018-04-05 17:57:51,146 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2018-04-05 17:57:51,146 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2018-04-05 17:57:51,146 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2018-04-05 17:57:51,146 INFO L133 SettingsManager]: * sizeof long double=12
[2018-04-05 17:57:51,147 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2018-04-05 17:57:51,147 INFO L133 SettingsManager]: * Size of a code block=SingleStatement
[2018-04-05 17:57:51,147 INFO L133 SettingsManager]: * Add additional assume for each assert=false
[2018-04-05 17:57:51,147 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode
[2018-04-05 17:57:51,147 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2018-04-05 17:57:51,149 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2018-04-05 17:57:51,149 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK
[2018-04-05 17:57:51,149 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2018-04-05 17:57:51,149 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2018-04-05 17:57:51,149 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2018-04-05 17:57:51,150 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-05 17:57:51,150 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2018-04-05 17:57:51,151 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2018-04-05 17:57:51,151 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR
[2018-04-05 17:57:51,151 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults:
[2018-04-05 17:57:51,151 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\
[2018-04-05 17:57:51,248 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2018-04-05 17:57:51,286 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized
[2018-04-05 17:57:51,293 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected.
[2018-04-05 17:57:51,303 INFO L271 PluginConnector]: Initializing CDTParser...
[2018-04-05 17:57:51,303 INFO L276 PluginConnector]: CDTParser initialized
[2018-04-05 17:57:51,304 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memsetNonZero2_true-valid-memsafety_true-termination.c
[2018-04-05 17:57:51,886 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG5b83fc5f3
[2018-04-05 17:57:52,303 INFO L287 CDTParser]: IsIndexed: true
[2018-04-05 17:57:52,303 INFO L288 CDTParser]: Found 1 translation units.
[2018-04-05 17:57:52,304 INFO L168 CDTParser]: Scanning memsetNonZero2_true-valid-memsafety_true-termination.c
[2018-04-05 17:57:52,308 INFO L210 ultiparseSymbolTable]: Include resolver:
[2018-04-05 17:57:52,308 INFO L215 ultiparseSymbolTable]: <empty include resolver>
[2018-04-05 17:57:52,309 INFO L218 ultiparseSymbolTable]: Function table:
[2018-04-05 17:57:52,309 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in memsetNonZero2_true-valid-memsafety_true-termination.c
[2018-04-05 17:57:52,309 INFO L227 ultiparseSymbolTable]: Global variable table:
[2018-04-05 17:57:52,309 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemsetNonZero__true_valid_memsafety_true_termination_c__size_t in memsetNonZero2_true-valid-memsafety_true-termination.c
[2018-04-05 17:57:52,309 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemsetNonZero__true_valid_memsafety_true_termination_c____kernel_size_t in memsetNonZero2_true-valid-memsafety_true-termination.c
[2018-04-05 17:57:52,309 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemsetNonZero__true_valid_memsafety_true_termination_c____u32 in memsetNonZero2_true-valid-memsafety_true-termination.c
[2018-04-05 17:57:52,353 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG5b83fc5f3
[2018-04-05 17:57:52,365 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2018-04-05 17:57:52,368 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2018-04-05 17:57:52,376 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2018-04-05 17:57:52,376 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2018-04-05 17:57:52,386 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized
[2018-04-05 17:57:52,387 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 05:57:52" (1/1) ...
[2018-04-05 17:57:52,390 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@803d558 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:57:52, skipping insertion in model container
[2018-04-05 17:57:52,391 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 05:57:52" (1/1) ...
[2018-04-05 17:57:52,420 INFO L167 Dispatcher]: Using SV-COMP mode
[2018-04-05 17:57:52,452 INFO L167 Dispatcher]: Using SV-COMP mode
[2018-04-05 17:57:52,861 INFO L175 PostProcessor]: Settings: Checked method=main
[2018-04-05 17:57:52,928 INFO L175 PostProcessor]: Settings: Checked method=main
[2018-04-05 17:57:52,938 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 7 non ball SCCs. Number of states in SCCs 7.
[2018-04-05 17:57:52,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:57:52 WrapperNode
[2018-04-05 17:57:52,958 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2018-04-05 17:57:52,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2018-04-05 17:57:52,960 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2018-04-05 17:57:52,960 INFO L276 PluginConnector]: Boogie Preprocessor initialized
[2018-04-05 17:57:52,985 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:57:52" (1/1) ...
[2018-04-05 17:57:52,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:57:52" (1/1) ...
[2018-04-05 17:57:53,001 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:57:52" (1/1) ...
[2018-04-05 17:57:53,001 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:57:52" (1/1) ...
[2018-04-05 17:57:53,010 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:57:52" (1/1) ...
[2018-04-05 17:57:53,022 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:57:52" (1/1) ...
[2018-04-05 17:57:53,024 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:57:52" (1/1) ...
[2018-04-05 17:57:53,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2018-04-05 17:57:53,029 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2018-04-05 17:57:53,029 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2018-04-05 17:57:53,029 INFO L276 PluginConnector]: RCFGBuilder initialized
[2018-04-05 17:57:53,030 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:57:52" (1/1) ...
No working directory specified, using /storage/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
[2018-04-05 17:57:53,194 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2018-04-05 17:57:53,194 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2018-04-05 17:57:53,194 INFO L136 BoogieDeclarations]: Found implementation of procedure main
[2018-04-05 17:57:53,194 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset
[2018-04-05 17:57:53,195 INFO L128 BoogieDeclarations]: Found specification of procedure memset
[2018-04-05 17:57:53,203 INFO L128 BoogieDeclarations]: Found specification of procedure main
[2018-04-05 17:57:53,203 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc
[2018-04-05 17:57:53,203 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset
[2018-04-05 17:57:53,203 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2018-04-05 17:57:53,204 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2018-04-05 17:57:53,204 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2018-04-05 17:57:53,534 WARN L446 $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2018-04-05 17:57:53,753 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2018-04-05 17:57:53,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 05:57:53 BoogieIcfgContainer
[2018-04-05 17:57:53,754 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2018-04-05 17:57:53,755 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2018-04-05 17:57:53,755 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2018-04-05 17:57:53,758 INFO L276 PluginConnector]: TraceAbstraction initialized
[2018-04-05 17:57:53,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 05:57:52" (1/3) ...
[2018-04-05 17:57:53,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b560528 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 05:57:53, skipping insertion in model container
[2018-04-05 17:57:53,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:57:52" (2/3) ...
[2018-04-05 17:57:53,776 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b560528 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 05:57:53, skipping insertion in model container
[2018-04-05 17:57:53,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 05:57:53" (3/3) ...
[2018-04-05 17:57:53,780 INFO L107 eAbstractionObserver]: Analyzing ICFG memsetNonZero2_true-valid-memsafety_true-termination.c
[2018-04-05 17:57:53,794 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2018-04-05 17:57:53,802 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations.
[2018-04-05 17:57:53,891 INFO L128 ementStrategyFactory]: Using default assertion order modulation
[2018-04-05 17:57:53,892 INFO L369 AbstractCegarLoop]: Interprodecural is true
[2018-04-05 17:57:53,892 INFO L370 AbstractCegarLoop]: Hoare is true
[2018-04-05 17:57:53,892 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP
[2018-04-05 17:57:53,892 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK
[2018-04-05 17:57:53,892 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2018-04-05 17:57:53,893 INFO L374 AbstractCegarLoop]: Difference is false
[2018-04-05 17:57:53,893 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2018-04-05 17:57:53,893 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2018-04-05 17:57:53,894 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure
[2018-04-05 17:57:53,961 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states.
[2018-04-05 17:57:53,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2018-04-05 17:57:53,969 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-05 17:57:53,970 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2018-04-05 17:57:53,970 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]===
[2018-04-05 17:57:53,988 INFO L82 PathProgramCache]: Analyzing trace with hash -1964876918, now seen corresponding path program 1 times
No working directory specified, using /storage/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
[2018-04-05 17:57:54,019 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-05 17:57:54,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-05 17:57:54,088 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-05 17:57:54,169 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2018-04-05 17:57:54,172 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.
[2018-04-05 17:57:54,183 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts.
[2018-04-05 17:57:54,184 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5
[2018-04-05 17:57:54,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-04-05 17:57:54,219 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-05 17:57:54,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-04-05 17:57:54,299 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences.
[2018-04-05 17:57:54,300 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2
[2018-04-05 17:57:54,302 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states
[2018-04-05 17:57:54,319 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2018-04-05 17:57:54,320 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-04-05 17:57:54,323 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 3 states.
[2018-04-05 17:57:54,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-05 17:57:54,418 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions.
[2018-04-05 17:57:54,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2018-04-05 17:57:54,420 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8
[2018-04-05 17:57:54,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-05 17:57:54,477 INFO L225 Difference]: With dead ends: 26
[2018-04-05 17:57:54,478 INFO L226 Difference]: Without dead ends: 22
[2018-04-05 17:57:54,486 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-04-05 17:57:54,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states.
[2018-04-05 17:57:54,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22.
[2018-04-05 17:57:54,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states.
[2018-04-05 17:57:54,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions.
[2018-04-05 17:57:54,562 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 8
[2018-04-05 17:57:54,563 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-05 17:57:54,563 INFO L459 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions.
[2018-04-05 17:57:54,563 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2018-04-05 17:57:54,563 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions.
[2018-04-05 17:57:54,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2018-04-05 17:57:54,564 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-05 17:57:54,564 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2018-04-05 17:57:54,564 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]===
[2018-04-05 17:57:54,564 INFO L82 PathProgramCache]: Analyzing trace with hash -1964876917, now seen corresponding path program 1 times
No working directory specified, using /storage/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
[2018-04-05 17:57:54,611 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-05 17:57:54,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-05 17:57:54,658 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-05 17:57:54,700 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2018-04-05 17:57:54,700 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.
[2018-04-05 17:57:54,718 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts.
[2018-04-05 17:57:54,719 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9
[2018-04-05 17:57:54,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-04-05 17:57:54,746 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-05 17:57:54,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-04-05 17:57:54,885 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences.
[2018-04-05 17:57:54,886 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3
[2018-04-05 17:57:54,888 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states
[2018-04-05 17:57:54,888 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2018-04-05 17:57:54,888 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2018-04-05 17:57:54,889 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand 4 states.
[2018-04-05 17:57:54,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-05 17:57:54,970 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions.
[2018-04-05 17:57:54,971 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2018-04-05 17:57:54,971 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8
[2018-04-05 17:57:54,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-05 17:57:54,972 INFO L225 Difference]: With dead ends: 22
[2018-04-05 17:57:54,972 INFO L226 Difference]: Without dead ends: 21
[2018-04-05 17:57:54,978 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2018-04-05 17:57:54,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states.
[2018-04-05 17:57:54,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21.
[2018-04-05 17:57:54,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states.
[2018-04-05 17:57:54,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions.
[2018-04-05 17:57:54,993 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 8
[2018-04-05 17:57:54,994 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-05 17:57:54,994 INFO L459 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions.
[2018-04-05 17:57:54,994 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2018-04-05 17:57:54,994 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions.
[2018-04-05 17:57:55,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2018-04-05 17:57:55,004 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-05 17:57:55,004 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-04-05 17:57:55,004 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]===
[2018-04-05 17:57:55,005 INFO L82 PathProgramCache]: Analyzing trace with hash 385100327, now seen corresponding path program 1 times
No working directory specified, using /storage/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
[2018-04-05 17:57:55,032 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-05 17:57:55,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-05 17:57:55,057 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-05 17:57:55,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-04-05 17:57:55,174 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-05 17:57:55,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-04-05 17:57:55,518 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences.
[2018-04-05 17:57:55,518 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6
[2018-04-05 17:57:55,518 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states
[2018-04-05 17:57:55,519 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2018-04-05 17:57:55,519 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2018-04-05 17:57:55,519 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 6 states.
[2018-04-05 17:57:55,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-05 17:57:55,718 INFO L93 Difference]: Finished difference Result 34 states and 35 transitions.
[2018-04-05 17:57:55,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2018-04-05 17:57:55,720 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19
[2018-04-05 17:57:55,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-05 17:57:55,721 INFO L225 Difference]: With dead ends: 34
[2018-04-05 17:57:55,721 INFO L226 Difference]: Without dead ends: 24
[2018-04-05 17:57:55,722 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42
[2018-04-05 17:57:55,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states.
[2018-04-05 17:57:55,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24.
[2018-04-05 17:57:55,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states.
[2018-04-05 17:57:55,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions.
[2018-04-05 17:57:55,756 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 19
[2018-04-05 17:57:55,756 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-05 17:57:55,756 INFO L459 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions.
[2018-04-05 17:57:55,756 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2018-04-05 17:57:55,757 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions.
[2018-04-05 17:57:55,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2018-04-05 17:57:55,757 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-05 17:57:55,758 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-04-05 17:57:55,758 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]===
[2018-04-05 17:57:55,758 INFO L82 PathProgramCache]: Analyzing trace with hash -1790419159, now seen corresponding path program 1 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-05 17:57:55,784 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-05 17:57:55,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-05 17:57:55,835 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-05 17:57:55,981 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-04-05 17:57:55,982 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-05 17:57:56,718 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-04-05 17:57:56,798 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-05 17:57:56,798 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10
[2018-04-05 17:57:56,799 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states
[2018-04-05 17:57:56,799 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2018-04-05 17:57:56,799 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90
[2018-04-05 17:57:56,800 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand 10 states.
[2018-04-05 17:57:57,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-05 17:57:57,040 INFO L93 Difference]: Finished difference Result 42 states and 45 transitions.
[2018-04-05 17:57:57,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2018-04-05 17:57:57,042 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23
[2018-04-05 17:57:57,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-05 17:57:57,043 INFO L225 Difference]: With dead ends: 42
[2018-04-05 17:57:57,043 INFO L226 Difference]: Without dead ends: 32
[2018-04-05 17:57:57,044 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110
[2018-04-05 17:57:57,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states.
[2018-04-05 17:57:57,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32.
[2018-04-05 17:57:57,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states.
[2018-04-05 17:57:57,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions.
[2018-04-05 17:57:57,074 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 32 transitions. Word has length 23
[2018-04-05 17:57:57,075 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-05 17:57:57,085 INFO L459 AbstractCegarLoop]: Abstraction has 32 states and 32 transitions.
[2018-04-05 17:57:57,085 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states.
[2018-04-05 17:57:57,085 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions.
[2018-04-05 17:57:57,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32
[2018-04-05 17:57:57,086 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-05 17:57:57,087 INFO L355 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-04-05 17:57:57,087 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]===
[2018-04-05 17:57:57,087 INFO L82 PathProgramCache]: Analyzing trace with hash -227650003, now seen corresponding path program 2 times
No working directory specified, using /storage/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
[2018-04-05 17:57:57,112 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-05 17:57:57,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-05 17:57:57,144 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-05 17:57:57,473 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-04-05 17:57:57,473 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-05 17:57:58,902 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-04-05 17:57:58,977 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-05 17:57:58,978 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18
[2018-04-05 17:57:58,978 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states
[2018-04-05 17:57:58,979 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants.
[2018-04-05 17:57:58,979 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=167, Unknown=0, NotChecked=0, Total=306
[2018-04-05 17:57:58,980 INFO L87 Difference]: Start difference. First operand 32 states and 32 transitions. Second operand 18 states.
[2018-04-05 17:57:59,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-05 17:57:59,501 INFO L93 Difference]: Finished difference Result 58 states and 65 transitions.
[2018-04-05 17:57:59,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states.
[2018-04-05 17:57:59,501 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 31
[2018-04-05 17:57:59,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-05 17:57:59,503 INFO L225 Difference]: With dead ends: 58
[2018-04-05 17:57:59,503 INFO L226 Difference]: Without dead ends: 48
[2018-04-05 17:57:59,504 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=151, Invalid=191, Unknown=0, NotChecked=0, Total=342
[2018-04-05 17:57:59,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states.
[2018-04-05 17:57:59,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48.
[2018-04-05 17:57:59,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states.
[2018-04-05 17:57:59,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 48 transitions.
[2018-04-05 17:57:59,515 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 48 transitions. Word has length 31
[2018-04-05 17:57:59,515 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-05 17:57:59,515 INFO L459 AbstractCegarLoop]: Abstraction has 48 states and 48 transitions.
[2018-04-05 17:57:59,515 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states.
[2018-04-05 17:57:59,516 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 48 transitions.
[2018-04-05 17:57:59,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2018-04-05 17:57:59,517 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-05 17:57:59,517 INFO L355 BasicCegarLoop]: trace histogram [14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-04-05 17:57:59,517 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]===
[2018-04-05 17:57:59,519 INFO L82 PathProgramCache]: Analyzing trace with hash 1304328245, now seen corresponding path program 3 times
No working directory specified, using /storage/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
[2018-04-05 17:57:59,534 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-05 17:57:59,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-05 17:57:59,578 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-05 17:58:00,738 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-04-05 17:58:00,738 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-05 17:58:00,923 WARN L148 SmtUtils]: Spent 178ms on a formula simplification that was a NOOP. DAG size: 50
[2018-04-05 17:58:01,289 WARN L148 SmtUtils]: Spent 365ms on a formula simplification that was a NOOP. DAG size: 50
[2018-04-05 17:58:04,552 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-04-05 17:58:04,638 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-05 17:58:04,639 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 34
[2018-04-05 17:58:04,639 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states
[2018-04-05 17:58:04,640 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants.
[2018-04-05 17:58:04,647 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=531, Invalid=591, Unknown=0, NotChecked=0, Total=1122
[2018-04-05 17:58:04,647 INFO L87 Difference]: Start difference. First operand 48 states and 48 transitions. Second operand 34 states.
[2018-04-05 17:58:05,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-05 17:58:05,934 INFO L93 Difference]: Finished difference Result 90 states and 105 transitions.
[2018-04-05 17:58:05,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states.
[2018-04-05 17:58:05,937 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 47
[2018-04-05 17:58:05,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-05 17:58:05,939 INFO L225 Difference]: With dead ends: 90
[2018-04-05 17:58:05,939 INFO L226 Difference]: Without dead ends: 80
[2018-04-05 17:58:05,940 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 60 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=551, Invalid=639, Unknown=0, NotChecked=0, Total=1190
[2018-04-05 17:58:05,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states.
[2018-04-05 17:58:05,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80.
[2018-04-05 17:58:05,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states.
[2018-04-05 17:58:05,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 80 transitions.
[2018-04-05 17:58:05,964 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 80 transitions. Word has length 47
[2018-04-05 17:58:05,964 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-05 17:58:05,964 INFO L459 AbstractCegarLoop]: Abstraction has 80 states and 80 transitions.
[2018-04-05 17:58:05,965 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states.
[2018-04-05 17:58:05,965 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 80 transitions.
[2018-04-05 17:58:05,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80
[2018-04-05 17:58:05,971 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-05 17:58:05,972 INFO L355 BasicCegarLoop]: trace histogram [30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-04-05 17:58:05,972 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]===
[2018-04-05 17:58:05,972 INFO L82 PathProgramCache]: Analyzing trace with hash -824210363, now seen corresponding path program 4 times
No working directory specified, using /storage/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
[2018-04-05 17:58:05,995 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-05 17:58:06,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-05 17:58:06,077 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-05 17:58:10,565 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 0 proven. 900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-04-05 17:58:10,573 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-05 17:58:10,857 WARN L148 SmtUtils]: Spent 277ms on a formula simplification that was a NOOP. DAG size: 98
[2018-04-05 17:58:11,205 WARN L148 SmtUtils]: Spent 345ms on a formula simplification that was a NOOP. DAG size: 98
[2018-04-05 17:58:22,480 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 0 proven. 900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-04-05 17:58:22,551 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-05 17:58:22,553 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34] total 66
[2018-04-05 17:58:22,553 INFO L442 AbstractCegarLoop]: Interpolant automaton has 66 states
[2018-04-05 17:58:22,555 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants.
[2018-04-05 17:58:22,561 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1852, Invalid=2438, Unknown=0, NotChecked=0, Total=4290
[2018-04-05 17:58:22,561 INFO L87 Difference]: Start difference. First operand 80 states and 80 transitions. Second operand 66 states.
[2018-04-05 17:58:23,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-05 17:58:23,854 INFO L93 Difference]: Finished difference Result 110 states and 119 transitions.
[2018-04-05 17:58:23,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states.
[2018-04-05 17:58:23,854 INFO L78 Accepts]: Start accepts. Automaton has 66 states. Word has length 79
[2018-04-05 17:58:23,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-05 17:58:23,857 INFO L225 Difference]: With dead ends: 110
[2018-04-05 17:58:23,857 INFO L226 Difference]: Without dead ends: 100
[2018-04-05 17:58:23,859 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 92 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 690 ImplicationChecksByTransitivity, 15.6s TimeCoverageRelationStatistics Valid=1888, Invalid=2534, Unknown=0, NotChecked=0, Total=4422
[2018-04-05 17:58:23,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states.
[2018-04-05 17:58:23,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100.
[2018-04-05 17:58:23,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states.
[2018-04-05 17:58:23,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 100 transitions.
[2018-04-05 17:58:23,892 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 100 transitions. Word has length 79
[2018-04-05 17:58:23,893 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-05 17:58:23,893 INFO L459 AbstractCegarLoop]: Abstraction has 100 states and 100 transitions.
[2018-04-05 17:58:23,893 INFO L460 AbstractCegarLoop]: Interpolant automaton has 66 states.
[2018-04-05 17:58:23,893 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 100 transitions.
[2018-04-05 17:58:23,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100
[2018-04-05 17:58:23,903 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-05 17:58:23,903 INFO L355 BasicCegarLoop]: trace histogram [40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-04-05 17:58:23,903 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]===
[2018-04-05 17:58:23,903 INFO L82 PathProgramCache]: Analyzing trace with hash 1326592079, now seen corresponding path program 5 times
No working directory specified, using /storage/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
[2018-04-05 17:58:23,925 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-05 17:58:24,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-05 17:58:24,028 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-05 17:58:24,150 INFO L700 Elim1Store]: detected not equals via solver
[2018-04-05 17:58:24,152 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5
[2018-04-05 17:58:24,152 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.
[2018-04-05 17:58:24,161 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts.
[2018-04-05 17:58:24,161 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5
[2018-04-05 17:58:24,423 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_~#cstats~0.base| Int)) (and (= |c_#valid| (store |c_old(#valid)| |main_~#cstats~0.base| 0)) (= 0 (select |c_old(#valid)| |main_~#cstats~0.base|)))) is different from true
[2018-04-05 17:58:24,514 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1600 trivial. 0 not checked.
[2018-04-05 17:58:24,514 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-05 17:58:24,658 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_~#cstats~0.base_17| Int)) (or (= (store |c_#valid| |v_main_~#cstats~0.base_17| 0) |c_old(#valid)|) (not (= 0 (select |c_#valid| |v_main_~#cstats~0.base_17|))))) is different from false
[2018-04-05 17:58:24,721 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1600 trivial. 0 not checked.
[2018-04-05 17:58:24,758 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences.
[2018-04-05 17:58:24,758 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 7
[2018-04-05 17:58:24,759 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states
[2018-04-05 17:58:24,759 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2018-04-05 17:58:24,760 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=21, Unknown=2, NotChecked=18, Total=56
[2018-04-05 17:58:24,761 INFO L87 Difference]: Start difference. First operand 100 states and 100 transitions. Second operand 8 states.
[2018-04-05 17:58:24,847 WARN L1011 $PredicateComparison]: unable to prove that (and (forall ((|v_main_~#cstats~0.base_17| Int)) (or (= (store |c_#valid| |v_main_~#cstats~0.base_17| 0) |c_old(#valid)|) (not (= 0 (select |c_#valid| |v_main_~#cstats~0.base_17|))))) (= |c_#valid| |c_old(#valid)|)) is different from false
[2018-04-05 17:58:25,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-05 17:58:25,202 INFO L93 Difference]: Finished difference Result 100 states and 100 transitions.
[2018-04-05 17:58:25,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2018-04-05 17:58:25,202 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 99
[2018-04-05 17:58:25,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-05 17:58:25,203 INFO L225 Difference]: With dead ends: 100
[2018-04-05 17:58:25,203 INFO L226 Difference]: Without dead ends: 0
[2018-04-05 17:58:25,205 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 190 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=29, Invalid=52, Unknown=3, NotChecked=48, Total=132
[2018-04-05 17:58:25,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2018-04-05 17:58:25,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2018-04-05 17:58:25,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2018-04-05 17:58:25,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2018-04-05 17:58:25,211 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 99
[2018-04-05 17:58:25,211 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-05 17:58:25,211 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2018-04-05 17:58:25,211 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2018-04-05 17:58:25,211 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2018-04-05 17:58:25,212 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2018-04-05 17:58:25,217 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2018-04-05 17:58:25,472 WARN L151 SmtUtils]: Spent 189ms on a formula simplification. DAG size of input: 159 DAG size of output 9
[2018-04-05 17:58:25,687 INFO L416 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed.
[2018-04-05 17:58:25,688 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed.
[2018-04-05 17:58:25,688 INFO L412 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|)
[2018-04-05 17:58:25,688 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed.
[2018-04-05 17:58:25,688 INFO L419 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true
[2018-04-05 17:58:25,688 INFO L416 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed.
[2018-04-05 17:58:25,688 INFO L416 ceAbstractionStarter]: For program point L-1'(line -1) no Hoare annotation was computed.
[2018-04-05 17:58:25,689 INFO L419 ceAbstractionStarter]: At program point L-1''(line -1) the Hoare annotation is: true
[2018-04-05 17:58:25,690 INFO L416 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed.
[2018-04-05 17:58:25,691 INFO L416 ceAbstractionStarter]: For program point $Ultimate##0(line -1) no Hoare annotation was computed.
[2018-04-05 17:58:25,691 INFO L416 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed.
[2018-04-05 17:58:25,691 INFO L419 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true
[2018-04-05 17:58:25,691 INFO L419 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2018-04-05 17:58:25,691 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2018-04-05 17:58:25,691 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2018-04-05 17:58:25,691 INFO L412 ceAbstractionStarter]: At program point mainENTRY(lines 20 24) the Hoare annotation is: (= |#valid| |old(#valid)|)
[2018-04-05 17:58:25,692 INFO L416 ceAbstractionStarter]: For program point mainErr1RequiresViolation(line 22) no Hoare annotation was computed.
[2018-04-05 17:58:25,692 INFO L416 ceAbstractionStarter]: For program point mainFINAL(lines 20 24) no Hoare annotation was computed.
[2018-04-05 17:58:25,692 INFO L416 ceAbstractionStarter]: For program point mainErr2EnsuresViolationMEMORY_LEAK(lines 20 24) no Hoare annotation was computed.
[2018-04-05 17:58:25,692 INFO L412 ceAbstractionStarter]: At program point L21(line 21) the Hoare annotation is: (and (= |#valid| (store |old(#valid)| |main_~#cstats~0.base| 1)) (= 0 (select |old(#valid)| |main_~#cstats~0.base|)) (= 40 (select |#length| |main_~#cstats~0.base|)) (= 0 |main_~#cstats~0.offset|))
[2018-04-05 17:58:25,692 INFO L416 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed.
[2018-04-05 17:58:25,692 INFO L416 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed.
[2018-04-05 17:58:25,692 INFO L416 ceAbstractionStarter]: For program point mainErr0RequiresViolation(line 22) no Hoare annotation was computed.
[2018-04-05 17:58:25,692 INFO L416 ceAbstractionStarter]: For program point L21''(line 21) no Hoare annotation was computed.
[2018-04-05 17:58:25,693 INFO L416 ceAbstractionStarter]: For program point L21'(line 21) no Hoare annotation was computed.
[2018-04-05 17:58:25,693 INFO L416 ceAbstractionStarter]: For program point mainEXIT(lines 20 24) no Hoare annotation was computed.
[2018-04-05 17:58:25,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 05:58:25 BoogieIcfgContainer
[2018-04-05 17:58:25,712 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2018-04-05 17:58:25,713 INFO L168 Benchmark]: Toolchain (without parser) took 33347.52 ms. Allocated memory was 316.7 MB in the beginning and 522.7 MB in the end (delta: 206.0 MB). Free memory was 260.7 MB in the beginning and 463.2 MB in the end (delta: -202.5 MB). Peak memory consumption was 3.6 MB. Max. memory is 5.3 GB.
[2018-04-05 17:58:25,717 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 316.7 MB. Free memory is still 279.0 MB. There was no memory consumed. Max. memory is 5.3 GB.
[2018-04-05 17:58:25,718 INFO L168 Benchmark]: CACSL2BoogieTranslator took 583.52 ms. Allocated memory is still 316.7 MB. Free memory was 260.7 MB in the beginning and 250.6 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 5.3 GB.
[2018-04-05 17:58:25,718 INFO L168 Benchmark]: Boogie Preprocessor took 68.87 ms. Allocated memory is still 316.7 MB. Free memory was 250.6 MB in the beginning and 249.6 MB in the end (delta: 996.3 kB). Peak memory consumption was 996.3 kB. Max. memory is 5.3 GB.
[2018-04-05 17:58:25,719 INFO L168 Benchmark]: RCFGBuilder took 724.96 ms. Allocated memory was 316.7 MB in the beginning and 469.8 MB in the end (delta: 153.1 MB). Free memory was 249.6 MB in the beginning and 440.7 MB in the end (delta: -191.1 MB). Peak memory consumption was 23.0 MB. Max. memory is 5.3 GB.
[2018-04-05 17:58:25,719 INFO L168 Benchmark]: TraceAbstraction took 31957.69 ms. Allocated memory was 469.8 MB in the beginning and 522.7 MB in the end (delta: 53.0 MB). Free memory was 439.7 MB in the beginning and 463.2 MB in the end (delta: -23.5 MB). Peak memory consumption was 29.4 MB. Max. memory is 5.3 GB.
[2018-04-05 17:58:25,736 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.24 ms. Allocated memory is still 316.7 MB. Free memory is still 279.0 MB. There was no memory consumed. Max. memory is 5.3 GB.
* CACSL2BoogieTranslator took 583.52 ms. Allocated memory is still 316.7 MB. Free memory was 260.7 MB in the beginning and 250.6 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 5.3 GB.
* Boogie Preprocessor took 68.87 ms. Allocated memory is still 316.7 MB. Free memory was 250.6 MB in the beginning and 249.6 MB in the end (delta: 996.3 kB). Peak memory consumption was 996.3 kB. Max. memory is 5.3 GB.
* RCFGBuilder took 724.96 ms. Allocated memory was 316.7 MB in the beginning and 469.8 MB in the end (delta: 153.1 MB). Free memory was 249.6 MB in the beginning and 440.7 MB in the end (delta: -191.1 MB). Peak memory consumption was 23.0 MB. Max. memory is 5.3 GB.
* TraceAbstraction took 31957.69 ms. Allocated memory was 469.8 MB in the beginning and 522.7 MB in the end (delta: 53.0 MB). Free memory was 439.7 MB in the beginning and 463.2 MB in the end (delta: -23.5 MB). Peak memory consumption was 29.4 MB. Max. memory is 5.3 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 22]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: 20]: all allocated memory was freed
For all program executions holds that all allocated memory was freed at this location
- PositiveResult [Line: 22]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- AllSpecificationsHoldResult: All specifications hold
3 specifications checked. All of them hold
- InvariantResult [Line: -1]: Loop Invariant
Derived loop invariant: 1
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 4 procedures, 26 locations, 3 error locations. SAFE Result, 31.8s OverallTime, 8 OverallIterations, 40 TraceHistogramMax, 4.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 148 SDtfs, 222 SDslu, 316 SDs, 0 SdLazy, 340 SolverSat, 225 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 629 GetRequests, 481 SyntacticMatches, 6 SemanticMatches, 142 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 739 ImplicationChecksByTransitivity, 23.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=100occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 47 NumberOfFragments, 30 HoareAnnotationTreeSize, 7 FomulaSimplifications, 799 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 54 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 25.5s InterpolantComputationTime, 314 NumberOfCodeBlocks, 314 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 612 ConstructedInterpolants, 89 QuantifiedInterpolants, 159292 SizeOfPredicates, 7 NumberOfNonLiveVariables, 720 ConjunctsInSsa, 81 ConjunctsInUnsatCore, 16 InterpolantComputations, 8 PerfectInterpolantSequences, 3200/5472 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memsetNonZero2_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-05_17-58-25-778.csv
Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memsetNonZero2_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-05_17-58-25-778.csv
Received shutdown request...