/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic BIGGEST_EQUIVALENCE_CLASS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/array-fpi/ifeqn2f.c


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


This is Ultimate 0.1.25-d623d84
[2020-07-21 01:38:31,034 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-07-21 01:38:31,037 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-21 01:38:31,061 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-21 01:38:31,061 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-21 01:38:31,063 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-21 01:38:31,065 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-07-21 01:38:31,077 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-07-21 01:38:31,080 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-07-21 01:38:31,080 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-07-21 01:38:31,081 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-07-21 01:38:31,082 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-07-21 01:38:31,083 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-07-21 01:38:31,086 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-07-21 01:38:31,087 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-21 01:38:31,090 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-21 01:38:31,091 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-21 01:38:31,095 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-21 01:38:31,099 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-21 01:38:31,104 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-21 01:38:31,108 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-21 01:38:31,113 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-21 01:38:31,115 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-07-21 01:38:31,117 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-21 01:38:31,120 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-07-21 01:38:31,123 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-07-21 01:38:31,123 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-07-21 01:38:31,126 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-07-21 01:38:31,126 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-07-21 01:38:31,127 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-07-21 01:38:31,127 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-07-21 01:38:31,129 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-07-21 01:38:31,130 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-07-21 01:38:31,131 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-07-21 01:38:31,133 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-07-21 01:38:31,134 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-07-21 01:38:31,134 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-07-21 01:38:31,135 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-07-21 01:38:31,135 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-07-21 01:38:31,136 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-07-21 01:38:31,138 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-07-21 01:38:31,139 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-07-21 01:38:31,155 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-07-21 01:38:31,155 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-21 01:38:31,157 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-21 01:38:31,157 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-07-21 01:38:31,157 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-07-21 01:38:31,157 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-21 01:38:31,158 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-07-21 01:38:31,158 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-07-21 01:38:31,158 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-07-21 01:38:31,158 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-07-21 01:38:31,158 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-07-21 01:38:31,158 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-21 01:38:31,159 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-07-21 01:38:31,159 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-07-21 01:38:31,159 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-07-21 01:38:31,159 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-07-21 01:38:31,159 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-07-21 01:38:31,160 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-21 01:38:31,160 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-07-21 01:38:31,160 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-07-21 01:38:31,160 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-07-21 01:38:31,160 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-21 01:38:31,161 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-21 01:38:31,161 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-07-21 01:38:31,161 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-21 01:38:31,161 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-07-21 01:38:31,162 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 01:38:31,162 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-21 01:38:31,162 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-07-21 01:38:31,162 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> BIGGEST_EQUIVALENCE_CLASS
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4
[2020-07-21 01:38:31,473 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-21 01:38:31,488 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-21 01:38:31,492 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-21 01:38:31,494 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-07-21 01:38:31,495 INFO  L275        PluginConnector]: CDTParser initialized
[2020-07-21 01:38:31,495 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/ifeqn2f.c
[2020-07-21 01:38:31,564 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5860af49c/dfade0e7335243e2af2e87642a85a612/FLAGebc82e2ea
[2020-07-21 01:38:32,038 INFO  L306              CDTParser]: Found 1 translation units.
[2020-07-21 01:38:32,040 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/ifeqn2f.c
[2020-07-21 01:38:32,048 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5860af49c/dfade0e7335243e2af2e87642a85a612/FLAGebc82e2ea
[2020-07-21 01:38:32,428 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5860af49c/dfade0e7335243e2af2e87642a85a612
[2020-07-21 01:38:32,441 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-21 01:38:32,445 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-21 01:38:32,446 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-21 01:38:32,447 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-21 01:38:32,451 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-21 01:38:32,453 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:38:32" (1/1) ...
[2020-07-21 01:38:32,457 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dfa2dd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:38:32, skipping insertion in model container
[2020-07-21 01:38:32,457 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:38:32" (1/1) ...
[2020-07-21 01:38:32,466 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-07-21 01:38:32,486 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-07-21 01:38:32,688 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-21 01:38:32,703 INFO  L203         MainTranslator]: Completed pre-run
[2020-07-21 01:38:32,728 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-21 01:38:32,749 INFO  L208         MainTranslator]: Completed translation
[2020-07-21 01:38:32,750 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:38:32 WrapperNode
[2020-07-21 01:38:32,751 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-21 01:38:32,751 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-21 01:38:32,752 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-21 01:38:32,752 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-07-21 01:38:32,871 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:38:32" (1/1) ...
[2020-07-21 01:38:32,872 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:38:32" (1/1) ...
[2020-07-21 01:38:32,884 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:38:32" (1/1) ...
[2020-07-21 01:38:32,884 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:38:32" (1/1) ...
[2020-07-21 01:38:32,911 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:38:32" (1/1) ...
[2020-07-21 01:38:32,922 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:38:32" (1/1) ...
[2020-07-21 01:38:32,927 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:38:32" (1/1) ...
[2020-07-21 01:38:32,932 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-21 01:38:32,933 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-21 01:38:32,933 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-07-21 01:38:32,933 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-07-21 01:38:32,934 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:38:32" (1/1) ...
No working directory specified, using /storage/repos/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
[2020-07-21 01:38:33,042 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-21 01:38:33,042 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-21 01:38:33,043 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2020-07-21 01:38:33,043 INFO  L138     BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2020-07-21 01:38:33,044 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-07-21 01:38:33,045 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-21 01:38:33,045 INFO  L130     BoogieDeclarations]: Found specification of procedure abort
[2020-07-21 01:38:33,045 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2020-07-21 01:38:33,046 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2020-07-21 01:38:33,046 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-07-21 01:38:33,047 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-07-21 01:38:33,047 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-07-21 01:38:33,047 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-07-21 01:38:33,047 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-07-21 01:38:33,048 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-07-21 01:38:33,049 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-21 01:38:33,049 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-21 01:38:33,049 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-07-21 01:38:33,482 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-21 01:38:33,482 INFO  L295             CfgBuilder]: Removed 3 assume(true) statements.
[2020-07-21 01:38:33,487 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:38:33 BoogieIcfgContainer
[2020-07-21 01:38:33,487 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-21 01:38:33,489 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-21 01:38:33,489 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-07-21 01:38:33,493 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-07-21 01:38:33,494 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 01:38:32" (1/3) ...
[2020-07-21 01:38:33,495 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c51abc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:38:33, skipping insertion in model container
[2020-07-21 01:38:33,495 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:38:32" (2/3) ...
[2020-07-21 01:38:33,496 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c51abc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:38:33, skipping insertion in model container
[2020-07-21 01:38:33,496 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:38:33" (3/3) ...
[2020-07-21 01:38:33,498 INFO  L109   eAbstractionObserver]: Analyzing ICFG ifeqn2f.c
[2020-07-21 01:38:33,512 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION
[2020-07-21 01:38:33,525 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-21 01:38:33,542 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-21 01:38:33,572 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-07-21 01:38:33,572 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-07-21 01:38:33,572 INFO  L377      AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect
[2020-07-21 01:38:33,573 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-21 01:38:33,573 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-21 01:38:33,573 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-07-21 01:38:33,573 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-21 01:38:33,574 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-21 01:38:33,598 INFO  L276                IsEmpty]: Start isEmpty. Operand 36 states.
[2020-07-21 01:38:33,606 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2020-07-21 01:38:33,607 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 01:38:33,608 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 01:38:33,609 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 01:38:33,617 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 01:38:33,617 INFO  L82        PathProgramCache]: Analyzing trace with hash -294712258, now seen corresponding path program 1 times
[2020-07-21 01:38:33,629 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 01:38:33,629 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1387805633]
[2020-07-21 01:38:33,630 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/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
[2020-07-21 01:38:33,797 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s)
[2020-07-21 01:38:33,798 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 01:38:33,804 INFO  L263         TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjunts are in the unsatisfiable core
[2020-07-21 01:38:33,816 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 01:38:33,845 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-21 01:38:33,846 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 01:38:33,848 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1387805633]
[2020-07-21 01:38:33,849 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 01:38:33,849 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-07-21 01:38:33,851 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61848928]
[2020-07-21 01:38:33,857 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 2 states
[2020-07-21 01:38:33,858 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 01:38:33,872 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2020-07-21 01:38:33,873 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-07-21 01:38:33,876 INFO  L87              Difference]: Start difference. First operand 36 states. Second operand 2 states.
[2020-07-21 01:38:33,908 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 01:38:33,909 INFO  L93              Difference]: Finished difference Result 62 states and 81 transitions.
[2020-07-21 01:38:33,909 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2020-07-21 01:38:33,910 INFO  L78                 Accepts]: Start accepts. Automaton has 2 states. Word has length 22
[2020-07-21 01:38:33,911 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 01:38:33,922 INFO  L225             Difference]: With dead ends: 62
[2020-07-21 01:38:33,922 INFO  L226             Difference]: Without dead ends: 31
[2020-07-21 01:38:33,927 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-07-21 01:38:33,947 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 31 states.
[2020-07-21 01:38:33,967 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31.
[2020-07-21 01:38:33,969 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 31 states.
[2020-07-21 01:38:33,971 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions.
[2020-07-21 01:38:33,973 INFO  L78                 Accepts]: Start accepts. Automaton has 31 states and 35 transitions. Word has length 22
[2020-07-21 01:38:33,973 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 01:38:33,974 INFO  L479      AbstractCegarLoop]: Abstraction has 31 states and 35 transitions.
[2020-07-21 01:38:33,974 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 2 states.
[2020-07-21 01:38:33,974 INFO  L276                IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions.
[2020-07-21 01:38:33,975 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2020-07-21 01:38:33,975 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 01:38:33,976 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 01:38:34,189 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 01:38:34,190 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 01:38:34,190 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 01:38:34,191 INFO  L82        PathProgramCache]: Analyzing trace with hash -2054124171, now seen corresponding path program 1 times
[2020-07-21 01:38:34,191 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 01:38:34,192 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [432876630]
[2020-07-21 01:38:34,193 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/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
[2020-07-21 01:38:34,266 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-21 01:38:34,266 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 01:38:34,268 INFO  L263         TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core
[2020-07-21 01:38:34,271 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 01:38:34,318 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-21 01:38:34,318 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 01:38:34,319 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [432876630]
[2020-07-21 01:38:34,319 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 01:38:34,319 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-07-21 01:38:34,320 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766835505]
[2020-07-21 01:38:34,323 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-07-21 01:38:34,323 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 01:38:34,324 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-07-21 01:38:34,325 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2020-07-21 01:38:34,325 INFO  L87              Difference]: Start difference. First operand 31 states and 35 transitions. Second operand 4 states.
[2020-07-21 01:38:34,443 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 01:38:34,443 INFO  L93              Difference]: Finished difference Result 56 states and 67 transitions.
[2020-07-21 01:38:34,444 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2020-07-21 01:38:34,444 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 22
[2020-07-21 01:38:34,444 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 01:38:34,448 INFO  L225             Difference]: With dead ends: 56
[2020-07-21 01:38:34,448 INFO  L226             Difference]: Without dead ends: 41
[2020-07-21 01:38:34,450 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2020-07-21 01:38:34,451 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 41 states.
[2020-07-21 01:38:34,463 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 33.
[2020-07-21 01:38:34,463 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 33 states.
[2020-07-21 01:38:34,464 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 37 transitions.
[2020-07-21 01:38:34,465 INFO  L78                 Accepts]: Start accepts. Automaton has 33 states and 37 transitions. Word has length 22
[2020-07-21 01:38:34,465 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 01:38:34,466 INFO  L479      AbstractCegarLoop]: Abstraction has 33 states and 37 transitions.
[2020-07-21 01:38:34,466 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-07-21 01:38:34,466 INFO  L276                IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions.
[2020-07-21 01:38:34,470 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2020-07-21 01:38:34,470 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 01:38:34,470 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 01:38:34,671 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 01:38:34,672 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 01:38:34,673 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 01:38:34,673 INFO  L82        PathProgramCache]: Analyzing trace with hash -1477618916, now seen corresponding path program 1 times
[2020-07-21 01:38:34,674 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 01:38:34,674 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1907905935]
[2020-07-21 01:38:34,675 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/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
[2020-07-21 01:38:34,756 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-21 01:38:34,756 INFO  L229   tOrderPrioritization]: Conjunction of SSA is sat
[2020-07-21 01:38:34,757 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-07-21 01:38:34,788 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-07-21 01:38:34,788 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-07-21 01:38:34,820 INFO  L174   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-07-21 01:38:34,820 INFO  L520         BasicCegarLoop]: Counterexample might be feasible
[2020-07-21 01:38:35,034 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 01:38:35,083 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 01:38:35 BoogieIcfgContainer
[2020-07-21 01:38:35,083 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-21 01:38:35,087 INFO  L168              Benchmark]: Toolchain (without parser) took 2642.40 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 102.4 MB in the beginning and 103.0 MB in the end (delta: -527.1 kB). Peak memory consumption was 57.1 MB. Max. memory is 7.1 GB.
[2020-07-21 01:38:35,088 INFO  L168              Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 146.3 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB.
[2020-07-21 01:38:35,089 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 304.78 ms. Allocated memory is still 146.3 MB. Free memory was 102.0 MB in the beginning and 91.6 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB.
[2020-07-21 01:38:35,090 INFO  L168              Benchmark]: Boogie Preprocessor took 180.66 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 91.6 MB in the beginning and 181.3 MB in the end (delta: -89.7 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB.
[2020-07-21 01:38:35,091 INFO  L168              Benchmark]: RCFGBuilder took 554.91 ms. Allocated memory is still 203.9 MB. Free memory was 181.3 MB in the beginning and 164.2 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB.
[2020-07-21 01:38:35,092 INFO  L168              Benchmark]: TraceAbstraction took 1594.15 ms. Allocated memory is still 203.9 MB. Free memory was 163.6 MB in the beginning and 103.0 MB in the end (delta: 60.6 MB). Peak memory consumption was 60.6 MB. Max. memory is 7.1 GB.
[2020-07-21 01:38:35,102 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.31 ms. Allocated memory is still 146.3 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 304.78 ms. Allocated memory is still 146.3 MB. Free memory was 102.0 MB in the beginning and 91.6 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 180.66 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 91.6 MB in the beginning and 181.3 MB in the end (delta: -89.7 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 554.91 ms. Allocated memory is still 203.9 MB. Free memory was 181.3 MB in the beginning and 164.2 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 1594.15 ms. Allocated memory is still 203.9 MB. Free memory was 163.6 MB in the beginning and 103.0 MB in the end (delta: 60.6 MB). Peak memory consumption was 60.6 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - CounterExampleResult [Line: 13]: a call of __VERIFIER_error() is reachable
    a call of __VERIFIER_error() is reachable
We found a FailurePath: 
[L17]              int N;
       VAL         [\old(N)=2, N=0]
[L21]              N = __VERIFIER_nondet_int()
[L22]  COND FALSE  !(N <= 0)
       VAL         [\old(N)=0, N=1]
[L23]  CALL        assume_abort_if_not(N <= 2147483647/sizeof(int))
       VAL         [\old(cond)=1, \old(N)=0, N=1]
[L11]  COND FALSE  !(!cond)
       VAL         [\old(cond)=1, \old(N)=0, cond=1, N=1]
[L23]  RET         assume_abort_if_not(N <= 2147483647/sizeof(int))
       VAL         [\old(N)=0, N=1]
[L25]              int i;
[L26]              long long *a = malloc(sizeof(long long)*N);
[L27]              long long *b = malloc(sizeof(long long)*N);
[L29]              i=0
       VAL         [\old(N)=0, a={-2:0}, b={-1:0}, i=0, malloc(sizeof(long long)*N)={-2:0}, malloc(sizeof(long long)*N)={-1:0}, N=1]
[L29]  COND TRUE   i<N
       VAL         [\old(N)=0, a={-2:0}, b={-1:0}, i=0, malloc(sizeof(long long)*N)={-2:0}, malloc(sizeof(long long)*N)={-1:0}, N=1]
[L31]  COND TRUE   i==0
[L32]              a[0] = 4
       VAL         [\old(N)=0, a={-2:0}, b={-1:0}, i=0, malloc(sizeof(long long)*N)={-2:0}, malloc(sizeof(long long)*N)={-1:0}, N=1]
[L29]              i++
       VAL         [\old(N)=0, a={-2:0}, b={-1:0}, i=1, malloc(sizeof(long long)*N)={-2:0}, malloc(sizeof(long long)*N)={-1:0}, N=1]
[L29]  COND FALSE  !(i<N)
       VAL         [\old(N)=0, a={-2:0}, b={-1:0}, i=1, malloc(sizeof(long long)*N)={-2:0}, malloc(sizeof(long long)*N)={-1:0}, N=1]
[L38]              i=0
       VAL         [\old(N)=0, a={-2:0}, b={-1:0}, i=0, malloc(sizeof(long long)*N)={-2:0}, malloc(sizeof(long long)*N)={-1:0}, N=1]
[L38]  COND TRUE   i<N
       VAL         [\old(N)=0, a={-2:0}, b={-1:0}, i=0, malloc(sizeof(long long)*N)={-2:0}, malloc(sizeof(long long)*N)={-1:0}, N=1]
[L40]  COND TRUE   i==0
[L41]              b[0] = 1
       VAL         [\old(N)=0, a={-2:0}, b={-1:0}, i=0, malloc(sizeof(long long)*N)={-2:0}, malloc(sizeof(long long)*N)={-1:0}, N=1]
[L38]              i++
       VAL         [\old(N)=0, a={-2:0}, b={-1:0}, i=1, malloc(sizeof(long long)*N)={-2:0}, malloc(sizeof(long long)*N)={-1:0}, N=1]
[L38]  COND FALSE  !(i<N)
       VAL         [\old(N)=0, a={-2:0}, b={-1:0}, i=1, malloc(sizeof(long long)*N)={-2:0}, malloc(sizeof(long long)*N)={-1:0}, N=1]
[L47]              i=0
       VAL         [\old(N)=0, a={-2:0}, b={-1:0}, i=0, malloc(sizeof(long long)*N)={-2:0}, malloc(sizeof(long long)*N)={-1:0}, N=1]
[L47]  COND TRUE   i<N
[L49]  EXPR        b[i]
       VAL         [\old(N)=0, a={-2:0}, b={-1:0}, b[i]=1, i=0, malloc(sizeof(long long)*N)={-2:0}, malloc(sizeof(long long)*N)={-1:0}, N=1]
[L49]  CALL        __VERIFIER_assert(b[i] == 2*i*i + 2*i)
       VAL         [\old(cond)=0, \old(N)=0, N=1]
[L13]  COND TRUE   !(cond)
       VAL         [\old(cond)=0, \old(N)=0, cond=0, N=1]
[L13]              __VERIFIER_error()
       VAL         [\old(cond)=0, \old(N)=0, cond=0, N=1]

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 5 procedures, 36 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.4s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 63 SDtfs, 40 SDslu, 13 SDs, 0 SdLazy, 31 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 72 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 42 ConstructedInterpolants, 0 QuantifiedInterpolants, 1260 SizeOfPredicates, 2 NumberOfNonLiveVariables, 137 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...