/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 NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/array-fpi/ss2f.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-d623d84
[2020-07-20 11:47:37,790 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-07-20 11:47:37,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-20 11:47:37,805 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-20 11:47:37,805 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-20 11:47:37,806 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-20 11:47:37,807 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-07-20 11:47:37,809 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-07-20 11:47:37,811 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-07-20 11:47:37,812 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-07-20 11:47:37,813 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-07-20 11:47:37,814 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-07-20 11:47:37,814 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-07-20 11:47:37,815 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-07-20 11:47:37,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-20 11:47:37,817 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-20 11:47:37,818 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-20 11:47:37,819 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-20 11:47:37,821 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-20 11:47:37,823 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-20 11:47:37,824 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-20 11:47:37,825 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-20 11:47:37,826 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-07-20 11:47:37,827 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-20 11:47:37,830 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-07-20 11:47:37,830 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-07-20 11:47:37,830 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-07-20 11:47:37,831 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-07-20 11:47:37,832 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-07-20 11:47:37,833 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-07-20 11:47:37,833 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-07-20 11:47:37,834 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-07-20 11:47:37,835 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-07-20 11:47:37,835 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-07-20 11:47:37,836 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-07-20 11:47:37,837 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-07-20 11:47:37,837 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-07-20 11:47:37,838 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-07-20 11:47:37,838 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-07-20 11:47:37,839 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-07-20 11:47:37,840 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-07-20 11:47:37,840 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
[2020-07-20 11:47:37,859 INFO L113 SettingsManager]: Loading preferences was successful
[2020-07-20 11:47:37,859 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-20 11:47:37,860 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-20 11:47:37,862 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-07-20 11:47:37,862 INFO L138 SettingsManager]: * Use SBE=true
[2020-07-20 11:47:37,862 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-20 11:47:37,863 INFO L138 SettingsManager]: * sizeof long=4
[2020-07-20 11:47:37,863 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-07-20 11:47:37,863 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-07-20 11:47:37,863 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-07-20 11:47:37,863 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-07-20 11:47:37,864 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-20 11:47:37,864 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-07-20 11:47:37,864 INFO L138 SettingsManager]: * sizeof long double=12
[2020-07-20 11:47:37,864 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-07-20 11:47:37,864 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-07-20 11:47:37,865 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-07-20 11:47:37,865 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-20 11:47:37,865 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-07-20 11:47:37,865 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-07-20 11:47:37,865 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-07-20 11:47:37,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-20 11:47:37,866 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-20 11:47:37,866 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-07-20 11:47:37,868 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-20 11:47:37,868 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-07-20 11:47:37,868 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 11:47:37,868 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-20 11:47:37,868 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-07-20 11:47:37,869 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 -> NOT_INCREMENTALLY
[2020-07-20 11:47:38,150 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-20 11:47:38,172 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-20 11:47:38,176 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-20 11:47:38,178 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-07-20 11:47:38,181 INFO L275 PluginConnector]: CDTParser initialized
[2020-07-20 11:47:38,182 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/ss2f.c
[2020-07-20 11:47:38,267 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71b3a40e0/8054c96354f54ff08bcef85c922fa469/FLAG68cbcf644
[2020-07-20 11:47:38,789 INFO L306 CDTParser]: Found 1 translation units.
[2020-07-20 11:47:38,790 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/ss2f.c
[2020-07-20 11:47:38,798 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71b3a40e0/8054c96354f54ff08bcef85c922fa469/FLAG68cbcf644
[2020-07-20 11:47:39,150 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71b3a40e0/8054c96354f54ff08bcef85c922fa469
[2020-07-20 11:47:39,162 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-20 11:47:39,165 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-20 11:47:39,166 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-20 11:47:39,167 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-20 11:47:39,171 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-20 11:47:39,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 11:47:39" (1/1) ...
[2020-07-20 11:47:39,176 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dbc0a8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:47:39, skipping insertion in model container
[2020-07-20 11:47:39,176 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 11:47:39" (1/1) ...
[2020-07-20 11:47:39,185 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-07-20 11:47:39,210 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-07-20 11:47:39,448 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-20 11:47:39,458 INFO L203 MainTranslator]: Completed pre-run
[2020-07-20 11:47:39,485 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-20 11:47:39,502 INFO L208 MainTranslator]: Completed translation
[2020-07-20 11:47:39,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:47:39 WrapperNode
[2020-07-20 11:47:39,502 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-20 11:47:39,503 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-20 11:47:39,503 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-20 11:47:39,503 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-07-20 11:47:39,606 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:47:39" (1/1) ...
[2020-07-20 11:47:39,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:47:39" (1/1) ...
[2020-07-20 11:47:39,617 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:47:39" (1/1) ...
[2020-07-20 11:47:39,618 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:47:39" (1/1) ...
[2020-07-20 11:47:39,628 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:47:39" (1/1) ...
[2020-07-20 11:47:39,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:47:39" (1/1) ...
[2020-07-20 11:47:39,638 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:47:39" (1/1) ...
[2020-07-20 11:47:39,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-20 11:47:39,642 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-20 11:47:39,642 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-07-20 11:47:39,643 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-07-20 11:47:39,646 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:47:39" (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
[2020-07-20 11:47:39,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-20 11:47:39,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-20 11:47:39,707 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2020-07-20 11:47:39,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2020-07-20 11:47:39,707 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-07-20 11:47:39,707 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-20 11:47:39,707 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2020-07-20 11:47:39,707 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2020-07-20 11:47:39,707 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2020-07-20 11:47:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-07-20 11:47:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-07-20 11:47:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-07-20 11:47:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-07-20 11:47:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-07-20 11:47:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-07-20 11:47:39,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-07-20 11:47:39,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-07-20 11:47:39,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-20 11:47:39,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-20 11:47:40,025 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-20 11:47:40,026 INFO L295 CfgBuilder]: Removed 7 assume(true) statements.
[2020-07-20 11:47:40,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 11:47:40 BoogieIcfgContainer
[2020-07-20 11:47:40,031 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-20 11:47:40,033 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-20 11:47:40,033 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-07-20 11:47:40,037 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-07-20 11:47:40,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 11:47:39" (1/3) ...
[2020-07-20 11:47:40,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73d1a85f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 11:47:40, skipping insertion in model container
[2020-07-20 11:47:40,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:47:39" (2/3) ...
[2020-07-20 11:47:40,042 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73d1a85f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 11:47:40, skipping insertion in model container
[2020-07-20 11:47:40,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 11:47:40" (3/3) ...
[2020-07-20 11:47:40,048 INFO L109 eAbstractionObserver]: Analyzing ICFG ss2f.c
[2020-07-20 11:47:40,072 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION
[2020-07-20 11:47:40,087 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-20 11:47:40,111 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-20 11:47:40,137 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-07-20 11:47:40,137 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-07-20 11:47:40,137 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect
[2020-07-20 11:47:40,138 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-20 11:47:40,138 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-20 11:47:40,138 INFO L380 AbstractCegarLoop]: Difference is false
[2020-07-20 11:47:40,138 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-20 11:47:40,138 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-20 11:47:40,159 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states.
[2020-07-20 11:47:40,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2020-07-20 11:47:40,166 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 11:47:40,167 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, 1, 1]
[2020-07-20 11:47:40,168 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 11:47:40,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 11:47:40,174 INFO L82 PathProgramCache]: Analyzing trace with hash -96589013, now seen corresponding path program 1 times
[2020-07-20 11:47:40,184 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 11:47:40,184 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [494608746]
[2020-07-20 11:47:40,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
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
[2020-07-20 11:47:40,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 11:47:40,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 1 conjunts are in the unsatisfiable core
[2020-07-20 11:47:40,298 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 11:47:40,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 11:47:40,324 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 11:47:40,325 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [494608746]
[2020-07-20 11:47:40,326 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 11:47:40,326 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-07-20 11:47:40,327 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796923813]
[2020-07-20 11:47:40,333 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states
[2020-07-20 11:47:40,333 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 11:47:40,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2020-07-20 11:47:40,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-07-20 11:47:40,351 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 2 states.
[2020-07-20 11:47:40,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 11:47:40,379 INFO L93 Difference]: Finished difference Result 82 states and 113 transitions.
[2020-07-20 11:47:40,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2020-07-20 11:47:40,381 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 30
[2020-07-20 11:47:40,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 11:47:40,391 INFO L225 Difference]: With dead ends: 82
[2020-07-20 11:47:40,391 INFO L226 Difference]: Without dead ends: 41
[2020-07-20 11:47:40,395 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-07-20 11:47:40,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states.
[2020-07-20 11:47:40,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41.
[2020-07-20 11:47:40,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states.
[2020-07-20 11:47:40,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 47 transitions.
[2020-07-20 11:47:40,438 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 47 transitions. Word has length 30
[2020-07-20 11:47:40,439 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 11:47:40,439 INFO L479 AbstractCegarLoop]: Abstraction has 41 states and 47 transitions.
[2020-07-20 11:47:40,439 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states.
[2020-07-20 11:47:40,439 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 47 transitions.
[2020-07-20 11:47:40,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2020-07-20 11:47:40,441 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 11:47:40,441 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, 1, 1]
[2020-07-20 11:47:40,647 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 11:47:40,648 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 11:47:40,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 11:47:40,649 INFO L82 PathProgramCache]: Analyzing trace with hash -552343525, now seen corresponding path program 1 times
[2020-07-20 11:47:40,650 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 11:47:40,650 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [452349287]
[2020-07-20 11:47:40,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
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
[2020-07-20 11:47:40,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 11:47:40,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 3 conjunts are in the unsatisfiable core
[2020-07-20 11:47:40,760 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 11:47:40,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 11:47:40,828 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 11:47:40,829 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [452349287]
[2020-07-20 11:47:40,829 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 11:47:40,829 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-07-20 11:47:40,829 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318210435]
[2020-07-20 11:47:40,832 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-07-20 11:47:40,832 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 11:47:40,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-07-20 11:47:40,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2020-07-20 11:47:40,833 INFO L87 Difference]: Start difference. First operand 41 states and 47 transitions. Second operand 4 states.
[2020-07-20 11:47:40,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 11:47:40,961 INFO L93 Difference]: Finished difference Result 83 states and 101 transitions.
[2020-07-20 11:47:40,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2020-07-20 11:47:40,962 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30
[2020-07-20 11:47:40,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 11:47:40,965 INFO L225 Difference]: With dead ends: 83
[2020-07-20 11:47:40,965 INFO L226 Difference]: Without dead ends: 57
[2020-07-20 11:47:40,967 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2020-07-20 11:47:40,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states.
[2020-07-20 11:47:40,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 47.
[2020-07-20 11:47:40,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states.
[2020-07-20 11:47:40,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 53 transitions.
[2020-07-20 11:47:40,983 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 53 transitions. Word has length 30
[2020-07-20 11:47:40,983 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 11:47:40,984 INFO L479 AbstractCegarLoop]: Abstraction has 47 states and 53 transitions.
[2020-07-20 11:47:40,984 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-07-20 11:47:40,984 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 53 transitions.
[2020-07-20 11:47:40,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2020-07-20 11:47:40,986 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 11:47:40,986 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 11:47:41,200 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 11:47:41,201 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 11:47:41,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 11:47:41,203 INFO L82 PathProgramCache]: Analyzing trace with hash 1488976591, now seen corresponding path program 1 times
[2020-07-20 11:47:41,203 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 11:47:41,204 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [552760325]
[2020-07-20 11:47:41,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
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
[2020-07-20 11:47:41,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-07-20 11:47:41,307 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-07-20 11:47:41,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-07-20 11:47:41,351 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-07-20 11:47:41,392 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-07-20 11:47:41,393 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-07-20 11:47:41,608 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 11:47:41,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 11:47:41 BoogieIcfgContainer
[2020-07-20 11:47:41,664 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-20 11:47:41,667 INFO L168 Benchmark]: Toolchain (without parser) took 2502.61 ms. Allocated memory was 136.8 MB in the beginning and 200.8 MB in the end (delta: 64.0 MB). Free memory was 101.5 MB in the beginning and 87.9 MB in the end (delta: 13.6 MB). Peak memory consumption was 77.6 MB. Max. memory is 7.1 GB.
[2020-07-20 11:47:41,668 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 136.8 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB.
[2020-07-20 11:47:41,669 INFO L168 Benchmark]: CACSL2BoogieTranslator took 336.18 ms. Allocated memory is still 136.8 MB. Free memory was 101.1 MB in the beginning and 90.2 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB.
[2020-07-20 11:47:41,670 INFO L168 Benchmark]: Boogie Preprocessor took 138.67 ms. Allocated memory was 136.8 MB in the beginning and 200.8 MB in the end (delta: 64.0 MB). Free memory was 90.2 MB in the beginning and 178.1 MB in the end (delta: -87.9 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB.
[2020-07-20 11:47:41,671 INFO L168 Benchmark]: RCFGBuilder took 388.54 ms. Allocated memory is still 200.8 MB. Free memory was 178.1 MB in the beginning and 157.9 MB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB.
[2020-07-20 11:47:41,672 INFO L168 Benchmark]: TraceAbstraction took 1631.04 ms. Allocated memory is still 200.8 MB. Free memory was 157.2 MB in the beginning and 87.9 MB in the end (delta: 69.3 MB). Peak memory consumption was 69.3 MB. Max. memory is 7.1 GB.
[2020-07-20 11:47:41,676 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.24 ms. Allocated memory is still 136.8 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 336.18 ms. Allocated memory is still 136.8 MB. Free memory was 101.1 MB in the beginning and 90.2 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 138.67 ms. Allocated memory was 136.8 MB in the beginning and 200.8 MB in the end (delta: 64.0 MB). Free memory was 90.2 MB in the beginning and 178.1 MB in the end (delta: -87.9 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 388.54 ms. Allocated memory is still 200.8 MB. Free memory was 178.1 MB in the beginning and 157.9 MB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 1631.04 ms. Allocated memory is still 200.8 MB. Free memory was 157.2 MB in the beginning and 87.9 MB in the end (delta: 69.3 MB). Peak memory consumption was 69.3 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)=5, 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 sum[1];
[L27] long long *a = malloc(sizeof(long long)*N);
[L29] sum[0] = 0
[L30] i=0
VAL [\old(N)=0, a={-1:0}, i=0, malloc(sizeof(long long)*N)={-1:0}, N=1, sum={2:0}]
[L30] COND TRUE i<N
[L32] a[i] = 2
VAL [\old(N)=0, a={-1:0}, i=0, malloc(sizeof(long long)*N)={-1:0}, N=1, sum={2:0}]
[L30] i++
VAL [\old(N)=0, a={-1:0}, i=1, malloc(sizeof(long long)*N)={-1:0}, N=1, sum={2:0}]
[L30] COND FALSE !(i<N)
VAL [\old(N)=0, a={-1:0}, i=1, malloc(sizeof(long long)*N)={-1:0}, N=1, sum={2:0}]
[L35] i=0
VAL [\old(N)=0, a={-1:0}, i=0, malloc(sizeof(long long)*N)={-1:0}, N=1, sum={2:0}]
[L35] COND TRUE i<N
[L37] EXPR sum[0]
[L37] EXPR a[i]
[L37] sum[0] = sum[0] + a[i]
[L35] i++
VAL [\old(N)=0, a={-1:0}, i=1, malloc(sizeof(long long)*N)={-1:0}, N=1, sum={2:0}]
[L35] COND FALSE !(i<N)
VAL [\old(N)=0, a={-1:0}, i=1, malloc(sizeof(long long)*N)={-1:0}, N=1, sum={2:0}]
[L40] i=0
VAL [\old(N)=0, a={-1:0}, i=0, malloc(sizeof(long long)*N)={-1:0}, N=1, sum={2:0}]
[L40] COND TRUE i<N
[L42] a[i] = 0
VAL [\old(N)=0, a={-1:0}, i=0, malloc(sizeof(long long)*N)={-1:0}, N=1, sum={2:0}]
[L40] i++
VAL [\old(N)=0, a={-1:0}, i=1, malloc(sizeof(long long)*N)={-1:0}, N=1, sum={2:0}]
[L40] COND FALSE !(i<N)
VAL [\old(N)=0, a={-1:0}, i=1, malloc(sizeof(long long)*N)={-1:0}, N=1, sum={2:0}]
[L45] i=0
VAL [\old(N)=0, a={-1:0}, i=0, malloc(sizeof(long long)*N)={-1:0}, N=1, sum={2:0}]
[L45] COND TRUE i<N
[L47] EXPR a[i]
[L47] EXPR sum[0]
[L47] a[i] = a[i] + sum[0]
[L45] i++
VAL [\old(N)=0, a={-1:0}, i=1, malloc(sizeof(long long)*N)={-1:0}, N=1, sum={2:0}]
[L45] COND FALSE !(i<N)
VAL [\old(N)=0, a={-1:0}, i=1, malloc(sizeof(long long)*N)={-1:0}, N=1, sum={2:0}]
[L50] i=0
VAL [\old(N)=0, a={-1:0}, i=0, malloc(sizeof(long long)*N)={-1:0}, N=1, sum={2:0}]
[L50] COND TRUE i<N
[L52] EXPR sum[0]
[L52] EXPR a[i]
[L52] sum[0] = sum[0] + a[i]
[L50] i++
VAL [\old(N)=0, a={-1:0}, i=1, malloc(sizeof(long long)*N)={-1:0}, N=1, sum={2:0}]
[L50] COND FALSE !(i<N)
VAL [\old(N)=0, a={-1:0}, i=1, malloc(sizeof(long long)*N)={-1:0}, N=1, sum={2:0}]
[L55] i=0
VAL [\old(N)=0, a={-1:0}, i=0, malloc(sizeof(long long)*N)={-1:0}, N=1, sum={2:0}]
[L55] COND TRUE i<N
[L57] EXPR a[i]
[L57] EXPR sum[0]
[L57] a[i] = a[i] + sum[0]
[L55] i++
VAL [\old(N)=0, a={-1:0}, i=1, malloc(sizeof(long long)*N)={-1:0}, N=1, sum={2:0}]
[L55] COND FALSE !(i<N)
VAL [\old(N)=0, a={-1:0}, i=1, malloc(sizeof(long long)*N)={-1:0}, N=1, sum={2:0}]
[L60] i=0
VAL [\old(N)=0, a={-1:0}, i=0, malloc(sizeof(long long)*N)={-1:0}, N=1, sum={2:0}]
[L60] COND TRUE i<N
[L62] EXPR a[i]
VAL [\old(N)=0, a={-1:0}, a[i]=6, i=0, malloc(sizeof(long long)*N)={-1:0}, N=1, sum={2:0}]
[L62] CALL __VERIFIER_assert(a[i] == N*(N+2))
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, 46 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: 79 SDtfs, 52 SDslu, 13 SDs, 0 SdLazy, 49 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred in iteration=2, 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, 10 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 2204 SizeOfPredicates, 2 NumberOfNonLiveVariables, 206 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...